72380504 has 16 divisors (see below), whose sum is σ = 155101200. Its totient is φ = 31020192.

The previous prime is 72380467. The next prime is 72380507. The reversal of 72380504 is 40508327.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72380507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646199 + ... + 646310.

It is an arithmetic number, because the mean of its divisors is an integer number (9693825).

Almost surely, 2^72380504 is an apocalyptic number.

It is an amenable number.

72380504 is an abundant number, since it is smaller than the sum of its proper divisors (82720696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72380504 is a wasteful number, since it uses less digits than its factorization.

72380504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292522 (or 1292518 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 72380504 is about 8507.6732424324. The cubic root of 72380504 is about 416.7483294516.

The spelling of 72380504 in words is "seventy-two million, three hundred eighty thousand, five hundred four".