70272832 has 56 divisors (see below), whose sum is σ = 168761664. Its totient is φ = 28342272.

The previous prime is 70272821. The next prime is 70272841. The reversal of 70272832 is 23827207.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 70272794 and 70272803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003 + ... + 12229.

Almost surely, 2^70272832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70272832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84380832).

70272832 is an abundant number, since it is smaller than the sum of its proper divisors (98488832).

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

70272832 is a wasteful number, since it uses less digits than its factorization.

70272832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263 (or 9253 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 70272832 is about 8382.8892393971. The cubic root of 70272832 is about 412.6632732291.

The spelling of 70272832 in words is "seventy million, two hundred seventy-two thousand, eight hundred thirty-two".