72999335 has 16 divisors (see below), whose sum is σ = 90468576. Its totient is φ = 56504448.

The previous prime is 72999331. The next prime is 72999347. The reversal of 72999335 is 53399927.

It is a cyclic number.

It is not a de Polignac number, because 72999335 - 2² = 72999331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72999335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72999331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35444 + ... + 37446.

It is an arithmetic number, because the mean of its divisors is an integer number (5654286).

Almost surely, 2^72999335 is an apocalyptic number.

72999335 is a deficient number, since it is larger than the sum of its proper divisors (17469241).

72999335 is a wasteful number, since it uses less digits than its factorization.

72999335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its digits is 459270, while the sum is 47.

The square root of 72999335 is about 8543.9648290475. The cubic root of 72999335 is about 417.9326505655.

The spelling of 72999335 in words is "seventy-two million, nine hundred ninety-nine thousand, three hundred thirty-five".