70457764 has 12 divisors (see below), whose sum is σ = 132785884. Its totient is φ = 32518944.

The previous prime is 70457759. The next prime is 70457771. The reversal of 70457764 is 46775407.

It can be written as a sum of positive squares in 2 ways, for example, as 23425600 + 47032164 = 4840^2 + 6858^2 .

It is a hoax number, since the sum of its digits (40) 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677427 + ... + 677530.

Almost surely, 2^70457764 is an apocalyptic number.

It is an amenable number.

70457764 is a deficient number, since it is larger than the sum of its proper divisors (62328120).

70457764 is a wasteful number, since it uses less digits than its factorization.

70457764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354974 (or 1354972 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 70457764 is about 8393.9123178647. The cubic root of 70457764 is about 413.0249483177.

The spelling of 70457764 in words is "seventy million, four hundred fifty-seven thousand, seven hundred sixty-four".