70690964 has 24 divisors (see below), whose sum is σ = 131884200. Its totient is φ = 33038336.

The previous prime is 70690957. The next prime is 70690973. The reversal of 70690964 is 46909607.

It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 68890000 = 1342^2 + 8300^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6644 + ... + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (5495175).

Almost surely, 2^70690964 is an apocalyptic number.

It is an amenable number.

70690964 is a deficient number, since it is larger than the sum of its proper divisors (61193236).

70690964 is a wasteful number, since it uses less digits than its factorization.

70690964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147 (or 7145 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 70690964 is about 8407.7918623144. The cubic root of 70690964 is about 413.4801210063.

The spelling of 70690964 in words is "seventy million, six hundred ninety thousand, nine hundred sixty-four".