72923007 has 16 divisors (see below), whose sum is σ = 102824960. Its totient is φ = 45842112.

The previous prime is 72922973. The next prime is 72923009. The reversal of 72923007 is 70032927.

It is not a de Polignac number, because 72923007 - 2¹⁵ = 72890239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72923009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9843 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (6426560).

Almost surely, 2^72923007 is an apocalyptic number.

72923007 is a deficient number, since it is larger than the sum of its proper divisors (29901953).

72923007 is a wasteful number, since it uses less digits than its factorization.

72923007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 72923007 is about 8539.4968821354. The cubic root of 72923007 is about 417.7869365075.

The spelling of 72923007 in words is "seventy-two million, nine hundred twenty-three thousand, seven".