70891268 has 12 divisors (see below), whose sum is σ = 141782592. Its totient is φ = 30381960.

The previous prime is 70891237. The next prime is 70891277. The reversal of 70891268 is 86219807.

70891268 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265888 + ... + 1265943.

It is an arithmetic number, because the mean of its divisors is an integer number (11815216).

Almost surely, 2^70891268 is an apocalyptic number.

It is an amenable number.

70891268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70891268 is a wasteful number, since it uses less digits than its factorization.

70891268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531842 (or 2531840 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 70891268 is about 8419.6952438910. The cubic root of 70891268 is about 413.8702869475.

The spelling of 70891268 in words is "seventy million, eight hundred ninety-one thousand, two hundred sixty-eight".