72803976 has 32 divisors (see below), whose sum is σ = 208011840. Its totient is φ = 20801088.

The previous prime is 72803971. The next prime is 72803981. The reversal of 72803976 is 67930827.

It is an interprime number because it is at equal distance from previous prime (72803971) and next prime (72803981).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (72803971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216511 + ... + 216846.

It is an arithmetic number, because the mean of its divisors is an integer number (6500370).

Almost surely, 2^72803976 is an apocalyptic number.

It is an amenable number.

72803976 is an abundant number, since it is smaller than the sum of its proper divisors (135207864).

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

72803976 is a wasteful number, since it uses less digits than its factorization.

72803976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433373 (or 433369 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 72803976 is about 8532.5245970932. The cubic root of 72803976 is about 417.5594971801.

The spelling of 72803976 in words is "seventy-two million, eight hundred three thousand, nine hundred seventy-six".