73996940 has 12 divisors (see below), whose sum is σ = 155393616. Its totient is φ = 29598768.

The previous prime is 73996933. The next prime is 73996973. The reversal of 73996940 is 4969937.

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, 1849904 + ... + 1849943.

It is an arithmetic number, because the mean of its divisors is an integer number (12949468).

Almost surely, 2^73996940 is an apocalyptic number.

It is an amenable number.

73996940 is an abundant number, since it is smaller than the sum of its proper divisors (81396676).

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

73996940 is a wasteful number, since it uses less digits than its factorization.

73996940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699856 (or 3699854 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 73996940 is about 8602.1474063166. The cubic root of 73996940 is about 419.8278584049.

It can be divided in two parts, 739 and 96940, that added together give a palindrome (97679).

The spelling of 73996940 in words is "seventy-three million, nine hundred ninety-six thousand, nine hundred forty".