69980972 has 6 divisors (see below), whose sum is σ = 122466708. Its totient is φ = 34990484.

The previous prime is 69980951. The next prime is 69980987. The reversal of 69980972 is 27908996.

It is a self number, because there is not a number n which added to its sum of digits gives 69980972.

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 as a sum of consecutive naturals, namely, 8747618 + ... + 8747625.

It is an arithmetic number, because the mean of its divisors is an integer number (20411118).

Almost surely, 2^69980972 is an apocalyptic number.

It is an amenable number.

69980972 is a deficient number, since it is larger than the sum of its proper divisors (52485736).

69980972 is a wasteful number, since it uses less digits than its factorization.

69980972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495247 (or 17495245 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 69980972 is about 8365.4630475545. The cubic root of 69980972 is about 412.0911838269.

The spelling of 69980972 in words is "sixty-nine million, nine hundred eighty thousand, nine hundred seventy-two".