72399327 has 32 divisors (see below), whose sum is σ = 129615360. Its totient is φ = 34715520.

The previous prime is 72399319. The next prime is 72399337.

72399327 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72399327 - 2³ = 72399319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72399337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9052 + ... + 15057.

It is an arithmetic number, because the mean of its divisors is an integer number (4050480).

Almost surely, 2^72399327 is an apocalyptic number.

72399327 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

72399327 is a deficient number, since it is larger than the sum of its proper divisors (57216033).

72399327 is a wasteful number, since it uses less digits than its factorization.

72399327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24143.

The product of its digits is 142884, while the sum is 42.

The square root of 72399327 is about 8508.7794071770. The cubic root of 72399327 is about 416.7844523183.

The spelling of 72399327 in words is "seventy-two million, three hundred ninety-nine thousand, three hundred twenty-seven".