69090980 has 36 divisors (see below), whose sum is σ = 168781788. Its totient is φ = 23688000.

The previous prime is 69090953. The next prime is 69090997. The reversal of 69090980 is 8909096.

It can be written as a sum of positive squares in 2 ways, for example, as 37258816 + 31832164 = 6104^2 + 5642^2 .

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 11 ways as a sum of consecutive naturals, for example, 34271 + ... + 36230.

It is an arithmetic number, because the mean of its divisors is an integer number (4688383).

Almost surely, 2^69090980 is an apocalyptic number.

It is an amenable number.

69090980 is an abundant number, since it is smaller than the sum of its proper divisors (99690808).

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

69090980 is a wasteful number, since it uses less digits than its factorization.

69090980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70524 (or 70515 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 69090980 is about 8312.0984113520. The cubic root of 69090980 is about 410.3367845538.

The spelling of 69090980 in words is "sixty-nine million, ninety thousand, nine hundred eighty".