70897704 has 32 divisors (see below), whose sum is σ = 180252000. Its totient is φ = 23231552.

The previous prime is 70897703. The next prime is 70897709. The reversal of 70897704 is 40779807.

It is not an unprimeable number, because it can be changed into a prime (70897703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23619 + ... + 26450.

It is an arithmetic number, because the mean of its divisors is an integer number (5632875).

Almost surely, 2^70897704 is an apocalyptic number.

It is an amenable number.

70897704 is an abundant number, since it is smaller than the sum of its proper divisors (109354296).

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

70897704 is a wasteful number, since it uses less digits than its factorization.

70897704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50137 (or 50133 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 70897704 is about 8420.0774343233. The cubic root of 70897704 is about 413.8828112382.

The spelling of 70897704 in words is "seventy million, eight hundred ninety-seven thousand, seven hundred four".