70640804 has 12 divisors (see below), whose sum is σ = 133130844. Its totient is φ = 32603424.

The previous prime is 70640783. The next prime is 70640837. The reversal of 70640804 is 40804607.

It can be written as a sum of positive squares in 2 ways, for example, as 30824704 + 39816100 = 5552^2 + 6310^2 .

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, 679187 + ... + 679290.

It is an arithmetic number, because the mean of its divisors is an integer number (11094237).

Almost surely, 2^70640804 is an apocalyptic number.

It is an amenable number.

70640804 is a deficient number, since it is larger than the sum of its proper divisors (62490040).

70640804 is a wasteful number, since it uses less digits than its factorization.

70640804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358494 (or 1358492 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 70640804 is about 8404.8083856802. The cubic root of 70640804 is about 413.3823005347.

The spelling of 70640804 in words is "seventy million, six hundred forty thousand, eight hundred four".