72765087 has 8 divisors (see below), whose sum is σ = 97149360. Its totient is φ = 48445440.

The previous prime is 72765047. The next prime is 72765101. The reversal of 72765087 is 78056727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72765087 - 2⁶ = 72765023 is a prime.

It is a super-2 number, since 2×72765087² = 10589515772235138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72765047) 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, 13464 + ... + 18077.

It is an arithmetic number, because the mean of its divisors is an integer number (12143670).

Almost surely, 2^72765087 is an apocalyptic number.

72765087 is a deficient number, since it is larger than the sum of its proper divisors (24384273).

72765087 is a wasteful number, since it uses less digits than its factorization.

72765087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32313.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 72765087 is about 8530.2454243709. The cubic root of 72765087 is about 417.4851360241.

The spelling of 72765087 in words is "seventy-two million, seven hundred sixty-five thousand, eighty-seven".