70412832 has 144 divisors (see below), whose sum is σ = 233513280. Its totient is φ = 19708416.

The previous prime is 70412831. The next prime is 70412843. The reversal of 70412832 is 23821407.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 70412796 and 70412805.

It is not an unprimeable number, because it can be changed into a prime (70412831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106519 + ... + 107177.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^70412832 is an apocalyptic number.

70412832 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 70412832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116756640).

70412832 is an abundant number, since it is smaller than the sum of its proper divisors (163100448).

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

70412832 is a wasteful number, since it uses less digits than its factorization.

70412832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70412832 is about 8391.2354275160. The cubic root of 70412832 is about 412.9371321934.

The spelling of 70412832 in words is "seventy million, four hundred twelve thousand, eight hundred thirty-two".