73988936 has 32 divisors (see below), whose sum is σ = 158931840. Its totient is φ = 31632768.

The previous prime is 73988933. The next prime is 73988977. The reversal of 73988936 is 63988937.

It is not an unprimeable number, because it can be changed into a prime (73988933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25916 + ... + 28628.

It is an arithmetic number, because the mean of its divisors is an integer number (4966620).

Almost surely, 2^73988936 is an apocalyptic number.

It is an amenable number.

73988936 is an abundant number, since it is smaller than the sum of its proper divisors (84942904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73988936 is a wasteful number, since it uses less digits than its factorization.

73988936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3209 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 73988936 is about 8601.6821610659. The cubic root of 73988936 is about 419.8127207368.

Subtracting from 73988936 its reverse (63988937), we obtain a palindrome (9999999).

The spelling of 73988936 in words is "seventy-three million, nine hundred eighty-eight thousand, nine hundred thirty-six".