69055972 has 72 divisors (see below), whose sum is σ = 138636288. Its totient is φ = 30028800.

The previous prime is 69055939. The next prime is 69055991. The reversal of 69055972 is 27955096.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1469253 + ... + 1469299.

It is an arithmetic number, because the mean of its divisors is an integer number (1925504).

Almost surely, 2^69055972 is an apocalyptic number.

69055972 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

69055972 is an abundant number, since it is smaller than the sum of its proper divisors (69580316).

69055972 is a wasteful number, since it uses less digits than its factorization.

69055972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 69055972 is about 8309.9922984321. The cubic root of 69055972 is about 410.2674677531.

The spelling of 69055972 in words is "sixty-nine million, fifty-five thousand, nine hundred seventy-two".