70690984 has 32 divisors (see below), whose sum is σ = 163134720. Its totient is φ = 27965376.

The previous prime is 70690973. The next prime is 70690993. The reversal of 70690984 is 48909607.

It is a self number, because there is not a number n which added to its sum of digits gives 70690984.

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, 47824 + ... + 49279.

It is an arithmetic number, because the mean of its divisors is an integer number (5097960).

Almost surely, 2^70690984 is an apocalyptic number.

It is an amenable number.

70690984 is an abundant number, since it is smaller than the sum of its proper divisors (92443736).

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

70690984 is a wasteful number, since it uses less digits than its factorization.

70690984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97129 (or 97125 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 70690984 is about 8407.7930516872. The cubic root of 70690984 is about 413.4801600005.

The spelling of 70690984 in words is "seventy million, six hundred ninety thousand, nine hundred eighty-four".