70879936 has 28 divisors (see below), whose sum is σ = 148928328. Its totient is φ = 33354752.

The previous prime is 70879931. The next prime is 70879961. The reversal of 70879936 is 63997807.

It is a self number, because there is not a number n which added to its sum of digits gives 70879936.

It is not an unprimeable number, because it can be changed into a prime (70879931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31486 + ... + 33661.

Almost surely, 2^70879936 is an apocalyptic number.

It is an amenable number.

70879936 is an abundant number, since it is smaller than the sum of its proper divisors (78048392).

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

70879936 is a wasteful number, since it uses less digits than its factorization.

70879936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65176 (or 65166 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 70879936 is about 8419.0222710241. The cubic root of 70879936 is about 413.8482333239.

The spelling of 70879936 in words is "seventy million, eight hundred seventy-nine thousand, nine hundred thirty-six".