272520399 has 16 divisors (see below), whose sum is σ = 388410624. Its totient is φ = 169540800.

The previous prime is 272520379. The next prime is 272520407. The reversal of 272520399 is 993025272.

It is not a de Polignac number, because 272520399 - 2⁷ = 272520271 is a prime.

It is a super-2 number, since 2×272520399² = 148534735742238402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272520379) 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, 45337 + ... + 50994.

It is an arithmetic number, because the mean of its divisors is an integer number (24275664).

Almost surely, 2^272520399 is an apocalyptic number.

272520399 is a deficient number, since it is larger than the sum of its proper divisors (115890225).

272520399 is a wasteful number, since it uses less digits than its factorization.

272520399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96398.

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

The square root of 272520399 is about 16508.1918755508. The cubic root of 272520399 is about 648.3353055292.

The spelling of 272520399 in words is "two hundred seventy-two million, five hundred twenty thousand, three hundred ninety-nine".