72626907 has 32 divisors (see below), whose sum is σ = 105924672. Its totient is φ = 44089344.

The previous prime is 72626887. The next prime is 72626927. The reversal of 72626907 is 70962627.

It is an interprime number because it is at equal distance from previous prime (72626887) and next prime (72626927).

It is not a de Polignac number, because 72626907 - 2¹⁶ = 72561371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72626927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262053 + ... + 262329.

It is an arithmetic number, because the mean of its divisors is an integer number (3310146).

Almost surely, 2^72626907 is an apocalyptic number.

72626907 is a deficient number, since it is larger than the sum of its proper divisors (33297765).

72626907 is a wasteful number, since it uses less digits than its factorization.

72626907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 72626907 is about 8522.1421602787. The cubic root of 72626907 is about 417.2207021984.

The spelling of 72626907 in words is "seventy-two million, six hundred twenty-six thousand, nine hundred seven".