72996299 has 4 divisors (see below), whose sum is σ = 74085864. Its totient is φ = 71906736.

The previous prime is 72996293. The next prime is 72996323. The reversal of 72996299 is 99269927.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72996299 - 2¹⁶ = 72930763 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 72996299.

It is not an unprimeable number, because it can be changed into a prime (72996293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544682 + ... + 544815.

It is an arithmetic number, because the mean of its divisors is an integer number (18521466).

Almost surely, 2^72996299 is an apocalyptic number.

72996299 is a deficient number, since it is larger than the sum of its proper divisors (1089565).

72996299 is a wasteful number, since it uses less digits than its factorization.

72996299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089564.

The product of its digits is 1102248, while the sum is 53.

The square root of 72996299 is about 8543.7871579294. The cubic root of 72996299 is about 417.9268566264.

The spelling of 72996299 in words is "seventy-two million, nine hundred ninety-six thousand, two hundred ninety-nine".