72400360 has 32 divisors (see below), whose sum is σ = 163526400. Its totient is φ = 28848960.

The previous prime is 72400357. The next prime is 72400369. The reversal of 72400360 is 6300427.

It is not an unprimeable number, because it can be changed into a prime (72400369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7501 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (5110200).

Almost surely, 2^72400360 is an apocalyptic number.

It is an amenable number.

72400360 is an abundant number, since it is smaller than the sum of its proper divisors (91126040).

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

72400360 is a wasteful number, since it uses less digits than its factorization.

72400360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 72400360 is about 8508.8401089690. The cubic root of 72400360 is about 416.7864345481.

Adding to 72400360 its reverse (6300427), we get a palindrome (78700787).

The spelling of 72400360 in words is "seventy-two million, four hundred thousand, three hundred sixty".