72872526 has 16 divisors (see below), whose sum is σ = 146116944. Its totient is φ = 24228864.

The previous prime is 72872521. The next prime is 72872567. The reversal of 72872526 is 62527827.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72872521) 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, 12915 + ... + 17678.

It is an arithmetic number, because the mean of its divisors is an integer number (9132309).

Almost surely, 2^72872526 is an apocalyptic number.

72872526 is an abundant number, since it is smaller than the sum of its proper divisors (73244418).

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

72872526 is a wasteful number, since it uses less digits than its factorization.

72872526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30995.

The product of its digits is 94080, while the sum is 39.

The square root of 72872526 is about 8536.5406342382. The cubic root of 72872526 is about 417.6905098256.

The spelling of 72872526 in words is "seventy-two million, eight hundred seventy-two thousand, five hundred twenty-six".