69540916 has 6 divisors (see below), whose sum is σ = 121696610. Its totient is φ = 34770456.

The previous prime is 69540901. The next prime is 69540917. The reversal of 69540916 is 61904596.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 1313316 = 8260^2 + 1146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69540917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8692611 + ... + 8692618.

Almost surely, 2^69540916 is an apocalyptic number.

It is an amenable number.

69540916 is a deficient number, since it is larger than the sum of its proper divisors (52155694).

69540916 is a wasteful number, since it uses less digits than its factorization.

69540916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385233 (or 17385231 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 69540916 is about 8339.1196178014. The cubic root of 69540916 is about 411.2255931044.

The spelling of 69540916 in words is "sixty-nine million, five hundred forty thousand, nine hundred sixteen".