72526751 has 16 divisors (see below), whose sum is σ = 82874880. Its totient is φ = 62826720.

The previous prime is 72526733. The next prime is 72526757. The reversal of 72526751 is 15762527.

It is a happy number.

It is not a de Polignac number, because 72526751 - 2²⁶ = 5417887 is a prime.

It is a super-2 number, since 2×72526751² = 10520259221232002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72526757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110741 + ... + 111393.

It is an arithmetic number, because the mean of its divisors is an integer number (5179680).

Almost surely, 2^72526751 is an apocalyptic number.

72526751 is a deficient number, since it is larger than the sum of its proper divisors (10348129).

72526751 is a wasteful number, since it uses less digits than its factorization.

72526751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its digits is 29400, while the sum is 35.

The square root of 72526751 is about 8516.2639108943. The cubic root of 72526751 is about 417.0288248261.

The spelling of 72526751 in words is "seventy-two million, five hundred twenty-six thousand, seven hundred fifty-one".