72253299 has 8 divisors (see below), whose sum is σ = 96408000. Its totient is φ = 48133736.

The previous prime is 72253289. The next prime is 72253301. The reversal of 72253299 is 99235227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72253299 - 2¹⁵ = 72220531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72253289) 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 7 ways as a sum of consecutive naturals, for example, 3537 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (12051000).

Almost surely, 2^72253299 is an apocalyptic number.

72253299 is a deficient number, since it is larger than the sum of its proper divisors (24154701).

72253299 is a wasteful number, since it uses less digits than its factorization.

72253299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17569.

The product of its digits is 68040, while the sum is 39.

The square root of 72253299 is about 8500.1940566084. The cubic root of 72253299 is about 416.5040483988.

The spelling of 72253299 in words is "seventy-two million, two hundred fifty-three thousand, two hundred ninety-nine".