72054999 has 12 divisors (see below), whose sum is σ = 106618512. Its totient is φ = 46864800.

The previous prime is 72054991. The next prime is 72055001. The reversal of 72054999 is 99945027.

It is not a de Polignac number, because 72054999 - 2³ = 72054991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72054991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97267 + ... + 98004.

It is an arithmetic number, because the mean of its divisors is an integer number (8884876).

Almost surely, 2^72054999 is an apocalyptic number.

72054999 is a deficient number, since it is larger than the sum of its proper divisors (34563513).

72054999 is a wasteful number, since it uses less digits than its factorization.

72054999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195318 (or 195315 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 72054999 is about 8488.5216027292. The cubic root of 72054999 is about 416.1226659185.

The spelling of 72054999 in words is "seventy-two million, fifty-four thousand, nine hundred ninety-nine".