70925472 has 72 divisors (see below), whose sum is σ = 202535424. Its totient is φ = 23543424.

The previous prime is 70925471. The next prime is 70925473. The reversal of 70925472 is 27452907.

It is an interprime number because it is at equal distance from previous prime (70925471) and next prime (70925473).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70925471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109983 + ... + 110625.

It is an arithmetic number, because the mean of its divisors is an integer number (2812992).

Almost surely, 2^70925472 is an apocalyptic number.

70925472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70925472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101267712).

70925472 is an abundant number, since it is smaller than the sum of its proper divisors (131609952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70925472 is a wasteful number, since it uses less digits than its factorization.

70925472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70925472 is about 8421.7261888523. The cubic root of 70925472 is about 413.9368383654.

The spelling of 70925472 in words is "seventy million, nine hundred twenty-five thousand, four hundred seventy-two".