70646404 has 12 divisors (see below), whose sum is σ = 123851728. Its totient is φ = 35260200.

The previous prime is 70646383. The next prime is 70646419. The reversal of 70646404 is 40464607.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13182 + ... + 17749.

Almost surely, 2^70646404 is an apocalyptic number.

It is an amenable number.

70646404 is a deficient number, since it is larger than the sum of its proper divisors (53205324).

70646404 is a wasteful number, since it uses less digits than its factorization.

70646404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31506 (or 31504 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 70646404 is about 8405.1415217116. The cubic root of 70646404 is about 413.3932237763.

The spelling of 70646404 in words is "seventy million, six hundred forty-six thousand, four hundred four".