69742916 has 12 divisors (see below), whose sum is σ = 122398332. Its totient is φ = 34771968.

The previous prime is 69742909. The next prime is 69742919. The reversal of 69742916 is 61924796.

It can be written as a sum of positive squares in 2 ways, for example, as 43692100 + 26050816 = 6610^2 + 5104^2 .

It is not an unprimeable number, because it can be changed into a prime (69742919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23285 + ... + 26108.

It is an arithmetic number, because the mean of its divisors is an integer number (10199861).

Almost surely, 2^69742916 is an apocalyptic number.

It is an amenable number.

69742916 is a deficient number, since it is larger than the sum of its proper divisors (52655416).

69742916 is a wasteful number, since it uses less digits than its factorization.

69742916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49750 (or 49748 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 69742916 is about 8351.2224254896. Note that the first 3 decimals coincide. The cubic root of 69742916 is about 411.6233793936.

The spelling of 69742916 in words is "sixty-nine million, seven hundred forty-two thousand, nine hundred sixteen".