73988536 has 16 divisors (see below), whose sum is σ = 138957840. Its totient is φ = 36933120.

The previous prime is 73988521. The next prime is 73988557. The reversal of 73988536 is 63588937.

It is a self number, because there is not a number n which added to its sum of digits gives 73988536.

It is a congruent number.

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, 2281 + ... + 12376.

It is an arithmetic number, because the mean of its divisors is an integer number (8684865).

Almost surely, 2^73988536 is an apocalyptic number.

It is an amenable number.

73988536 is a deficient number, since it is larger than the sum of its proper divisors (64969304).

73988536 is a wasteful number, since it uses less digits than its factorization.

73988536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294 (or 15290 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 73988536 is about 8601.6589097685. The cubic root of 73988536 is about 419.8119642030.

The spelling of 73988536 in words is "seventy-three million, nine hundred eighty-eight thousand, five hundred thirty-six".