73708816 has 20 divisors (see below), whose sum is σ = 146295324. Its totient is φ = 35955200.

The previous prime is 73708783. The next prime is 73708861. The reversal of 73708816 is 61880737.

It can be written as a sum of positive squares in 2 ways, for example, as 4752400 + 68956416 = 2180^2 + 8304^2 .

It is a super-2 number, since 2×73708816² = 10865979112243712, which contains 22 as substring.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55525 + ... + 56836.

Almost surely, 2^73708816 is an apocalyptic number.

It is an amenable number.

73708816 is a deficient number, since it is larger than the sum of its proper divisors (72586508).

73708816 is a wasteful number, since it uses less digits than its factorization.

73708816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112410 (or 112404 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 73708816 is about 8585.3838586286. The cubic root of 73708816 is about 419.2822510652.

The spelling of 73708816 in words is "seventy-three million, seven hundred eight thousand, eight hundred sixteen".