70601440 has 144 divisors (see below), whose sum is σ = 206968608. Its totient is φ = 22284288.

The previous prime is 70601437. The next prime is 70601441. The reversal of 70601440 is 4410607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70601441) 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 23 ways as a sum of consecutive naturals, for example, 189094 + ... + 189466.

It is an arithmetic number, because the mean of its divisors is an integer number (1437282).

Almost surely, 2^70601440 is an apocalyptic number.

70601440 is a gapful number since it is divisible by the number (70) 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 70601440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103484304).

70601440 is an abundant number, since it is smaller than the sum of its proper divisors (136367168).

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

70601440 is a wasteful number, since it uses less digits than its factorization.

70601440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70601440 is about 8402.4663046037. The cubic root of 70601440 is about 413.3055016524.

The spelling of 70601440 in words is "seventy million, six hundred one thousand, four hundred forty".