72378754 has 16 divisors (see below), whose sum is σ = 124545600. Its totient is φ = 30902544.

The previous prime is 72378743. The next prime is 72378763. The reversal of 72378754 is 45787327.

It is a self number, because there is not a number n which added to its sum of digits gives 72378754.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 13375.

It is an arithmetic number, because the mean of its divisors is an integer number (7784100).

Almost surely, 2^72378754 is an apocalyptic number.

72378754 is a deficient number, since it is larger than the sum of its proper divisors (52166846).

72378754 is a wasteful number, since it uses less digits than its factorization.

72378754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497.

The product of its digits is 329280, while the sum is 43.

The square root of 72378754 is about 8507.5703934790. The cubic root of 72378754 is about 416.7449707412.

The spelling of 72378754 in words is "seventy-two million, three hundred seventy-eight thousand, seven hundred fifty-four".