70913856 has 56 divisors (see below), whose sum is σ = 202066144. Its totient is φ = 21818880.

The previous prime is 70913839. The next prime is 70913863. The reversal of 70913856 is 65831907.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 11710 + ... + 16701.

It is an arithmetic number, because the mean of its divisors is an integer number (3608324).

Almost surely, 2^70913856 is an apocalyptic number.

It is an amenable number.

70913856 is an abundant number, since it is smaller than the sum of its proper divisors (131152288).

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

70913856 is a wasteful number, since it uses less digits than its factorization.

70913856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28439 (or 28429 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 70913856 is about 8421.0365157741. The cubic root of 70913856 is about 413.9142392779.

The spelling of 70913856 in words is "seventy million, nine hundred thirteen thousand, eight hundred fifty-six".