73997536 has 24 divisors (see below), whose sum is σ = 146754720. Its totient is φ = 36726528.

The previous prime is 73997519. The next prime is 73997543. The reversal of 73997536 is 63579937.

It is a self number, because there is not a number n which added to its sum of digits gives 73997536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4056 + ... + 12823.

It is an arithmetic number, because the mean of its divisors is an integer number (6114780).

Almost surely, 2^73997536 is an apocalyptic number.

It is an amenable number.

73997536 is a deficient number, since it is larger than the sum of its proper divisors (72757184).

73997536 is a wasteful number, since it uses less digits than its factorization.

73997536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17026 (or 17018 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 49.

The square root of 73997536 is about 8602.1820487595. The cubic root of 73997536 is about 419.8289855539.

The spelling of 73997536 in words is "seventy-three million, nine hundred ninety-seven thousand, five hundred thirty-six".