73987976 has 32 divisors (see below), whose sum is σ = 146448000. Its totient is φ = 34946496.

The previous prime is 73987973. The next prime is 73988021. The reversal of 73987976 is 67978937.

It is not an unprimeable number, because it can be changed into a prime (73987973) 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, 102545 + ... + 103263.

It is an arithmetic number, because the mean of its divisors is an integer number (4576500).

Almost surely, 2^73987976 is an apocalyptic number.

73987976 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

73987976 is a deficient number, since it is larger than the sum of its proper divisors (72460024).

73987976 is a wasteful number, since it uses less digits than its factorization.

73987976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1417 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 56.

The square root of 73987976 is about 8601.6263578465. The cubic root of 73987976 is about 419.8109050511.

The spelling of 73987976 in words is "seventy-three million, nine hundred eighty-seven thousand, nine hundred seventy-six".