69975268 has 18 divisors (see below), whose sum is σ = 134602118. Its totient is φ = 31806720.

The previous prime is 69975263. The next prime is 69975287. The reversal of 69975268 is 86257996.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50808384 + 19166884 = 7128^2 + 4378^2 .

It is not an unprimeable number, because it can be changed into a prime (69975263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71805 + ... + 72772.

Almost surely, 2^69975268 is an apocalyptic number.

It is an amenable number.

69975268 is a deficient number, since it is larger than the sum of its proper divisors (64626850).

69975268 is a wasteful number, since it uses less digits than its factorization.

69975268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144603 (or 144590 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 69975268 is about 8365.1221150680. The cubic root of 69975268 is about 412.0799872977.

The spelling of 69975268 in words is "sixty-nine million, nine hundred seventy-five thousand, two hundred sixty-eight".