70956816 has 80 divisors (see below), whose sum is σ = 210653184. Its totient is φ = 20161152.

The previous prime is 70956757. The next prime is 70956829. The reversal of 70956816 is 61865907.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74455 + ... + 75401.

Almost surely, 2^70956816 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 70956816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105326592).

70956816 is an abundant number, since it is smaller than the sum of its proper divisors (139696368).

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

70956816 is a wasteful number, since it uses less digits than its factorization.

70956816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70956816 is about 8423.5868844572. The cubic root of 70956816 is about 413.9978062382.

Subtracting from 70956816 its reverse (61865907), we obtain a palindrome (9090909).

The spelling of 70956816 in words is "seventy million, nine hundred fifty-six thousand, eight hundred sixteen".