72701975 has 12 divisors (see below), whose sum is σ = 93059520. Its totient is φ = 56284800.

The previous prime is 72701969. The next prime is 72701977. The reversal of 72701975 is 57910727.

It is not a de Polignac number, because 72701975 - 2¹⁰ = 72700951 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72701977) 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, 46130 + ... + 47679.

It is an arithmetic number, because the mean of its divisors is an integer number (7754960).

Almost surely, 2^72701975 is an apocalyptic number.

72701975 is a deficient number, since it is larger than the sum of its proper divisors (20357545).

72701975 is a wasteful number, since it uses less digits than its factorization.

72701975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93850 (or 93845 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 72701975 is about 8526.5453144870. The cubic root of 72701975 is about 417.3644007268.

The spelling of 72701975 in words is "seventy-two million, seven hundred one thousand, nine hundred seventy-five".