69879972 has 24 divisors (see below), whose sum is σ = 164340736. Its totient is φ = 23109408.

The previous prime is 69879959. The next prime is 69880007. The reversal of 69879972 is 27997896.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21403 + ... + 24450.

Almost surely, 2^69879972 is an apocalyptic number.

It is an amenable number.

69879972 is an abundant number, since it is smaller than the sum of its proper divisors (94460764).

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

69879972 is a wasteful number, since it uses less digits than its factorization.

69879972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45987 (or 45985 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 57.

The square root of 69879972 is about 8359.4241428462. The cubic root of 69879972 is about 411.8928382495.

The spelling of 69879972 in words is "sixty-nine million, eight hundred seventy-nine thousand, nine hundred seventy-two".