72666360 has 96 divisors (see below), whose sum is σ = 254348640. Its totient is φ = 17885952.

The previous prime is 72666359. The next prime is 72666383. The reversal of 72666360 is 6366627.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3084 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (2649465).

Almost surely, 2^72666360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72666360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127174320).

72666360 is an abundant number, since it is smaller than the sum of its proper divisors (181682280).

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

72666360 is a wasteful number, since it uses less digits than its factorization.

72666360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557 (or 15550 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 72666360 is about 8524.4565809206. The cubic root of 72666360 is about 417.2962372368.

The spelling of 72666360 in words is "seventy-two million, six hundred sixty-six thousand, three hundred sixty".