72626885 has 8 divisors (see below), whose sum is σ = 87238296. Its totient is φ = 58044160.

The previous prime is 72626857. The next prime is 72626887. The reversal of 72626885 is 58862627.

It can be written as a sum of positive squares in 4 ways, for example, as 21031396 + 51595489 = 4586^2 + 7183^2 .

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

It is not a de Polignac number, because 72626885 - 2⁸ = 72626629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72626887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (10904787).

Almost surely, 2^72626885 is an apocalyptic number.

It is an amenable number.

72626885 is a deficient number, since it is larger than the sum of its proper divisors (14611411).

72626885 is a wasteful number, since it uses less digits than its factorization.

72626885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343.

The product of its digits is 322560, while the sum is 44.

The square root of 72626885 is about 8522.1408695233. The cubic root of 72626885 is about 417.2206600705.

The spelling of 72626885 in words is "seventy-two million, six hundred twenty-six thousand, eight hundred eighty-five".