72522863 has 8 divisors (see below), whose sum is σ = 82979232. Its totient is φ = 62090496.

The previous prime is 72522847. The next prime is 72522889. The reversal of 72522863 is 36822527.

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

It is a cyclic number.

It is not a de Polignac number, because 72522863 - 2⁴ = 72522847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72522803) 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, 1031 + ... + 12087.

It is an arithmetic number, because the mean of its divisors is an integer number (10372404).

Almost surely, 2^72522863 is an apocalyptic number.

72522863 is a deficient number, since it is larger than the sum of its proper divisors (10456369).

72522863 is a wasteful number, since it uses less digits than its factorization.

72522863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12001.

The product of its digits is 40320, while the sum is 35.

The square root of 72522863 is about 8516.0356387230. The cubic root of 72522863 is about 417.0213726928.

The spelling of 72522863 in words is "seventy-two million, five hundred twenty-two thousand, eight hundred sixty-three".