72824379 has 16 divisors (see below), whose sum is σ = 103016448. Its totient is φ = 45602432.

The previous prime is 72824357. The next prime is 72824461. The reversal of 72824379 is 97342827.

It is not a de Polignac number, because 72824379 - 2⁵ = 72824347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72824379.

It is not an unprimeable number, because it can be changed into a prime (72824309) 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, 31894 + ... + 34100.

It is an arithmetic number, because the mean of its divisors is an integer number (6438528).

Almost surely, 2^72824379 is an apocalyptic number.

72824379 is a deficient number, since it is larger than the sum of its proper divisors (30192069).

72824379 is a wasteful number, since it uses less digits than its factorization.

72824379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874.

The product of its digits is 169344, while the sum is 42.

The square root of 72824379 is about 8533.7201149323. The cubic root of 72824379 is about 417.5984999524.

The spelling of 72824379 in words is "seventy-two million, eight hundred twenty-four thousand, three hundred seventy-nine".