69240628 has 6 divisors (see below), whose sum is σ = 121171106. Its totient is φ = 34620312.

The previous prime is 69240623. The next prime is 69240629. The reversal of 69240628 is 82604296.

It can be written as a sum of positive squares in only one way, i.e., 47169424 + 22071204 = 6868^2 + 4698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69240623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8655075 + ... + 8655082.

Almost surely, 2^69240628 is an apocalyptic number.

It is an amenable number.

69240628 is a deficient number, since it is larger than the sum of its proper divisors (51930478).

69240628 is a wasteful number, since it uses less digits than its factorization.

69240628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17310161 (or 17310159 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 69240628 is about 8321.0953605881. The cubic root of 69240628 is about 410.6328280128.

The spelling of 69240628 in words is "sixty-nine million, two hundred forty thousand, six hundred twenty-eight".