70660400 has 30 divisors (see below), whose sum is σ = 169762572. Its totient is φ = 28264000.

The previous prime is 70660399. The next prime is 70660427. The reversal of 70660400 is 406607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87926 + ... + 88725.

Almost surely, 2^70660400 is an apocalyptic number.

It is an amenable number.

70660400 is an abundant number, since it is smaller than the sum of its proper divisors (99102172).

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

70660400 is a wasteful number, since it uses less digits than its factorization.

70660400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176669 (or 176658 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70660400 is about 8405.9740661032. The cubic root of 70660400 is about 413.4205215541.

The spelling of 70660400 in words is "seventy million, six hundred sixty thousand, four hundred".