72803975 has 12 divisors (see below), whose sum is σ = 92718024. Its totient is φ = 56668320.

The previous prime is 72803971. The next prime is 72803981. The reversal of 72803975 is 57930827.

It is not a de Polignac number, because 72803975 - 2² = 72803971 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 38429 + ... + 40278.

It is an arithmetic number, because the mean of its divisors is an integer number (7726502).

Almost surely, 2^72803975 is an apocalyptic number.

72803975 is a deficient number, since it is larger than the sum of its proper divisors (19914049).

72803975 is a wasteful number, since it uses less digits than its factorization.

72803975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78754 (or 78749 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 72803975 is about 8532.5245384939. The cubic root of 72803975 is about 417.5594952683.

The spelling of 72803975 in words is "seventy-two million, eight hundred three thousand, nine hundred seventy-five".