72754665 has 16 divisors (see below), whose sum is σ = 116596608. Its totient is φ = 38739456.

The previous prime is 72754621. The next prime is 72754733. The reversal of 72754665 is 56645727.

It is not a de Polignac number, because 72754665 - 2⁶ = 72754601 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6492 + ... + 13698.

It is an arithmetic number, because the mean of its divisors is an integer number (7287288).

Almost surely, 2^72754665 is an apocalyptic number.

It is an amenable number.

72754665 is a deficient number, since it is larger than the sum of its proper divisors (43841943).

72754665 is a wasteful number, since it uses less digits than its factorization.

72754665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888.

The product of its digits is 352800, while the sum is 42.

The square root of 72754665 is about 8529.6345173753. The cubic root of 72754665 is about 417.4652032146.

The spelling of 72754665 in words is "seventy-two million, seven hundred fifty-four thousand, six hundred sixty-five".