72553962 has 16 divisors (see below), whose sum is σ = 156270240. Its totient is φ = 22324272.

The previous prime is 72553961. The next prime is 72553973. The reversal of 72553962 is 26935527.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 72553962.

It is not an unprimeable number, because it can be changed into a prime (72553961) 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, 465012 + ... + 465167.

It is an arithmetic number, because the mean of its divisors is an integer number (9766890).

Almost surely, 2^72553962 is an apocalyptic number.

72553962 is an abundant number, since it is smaller than the sum of its proper divisors (83716278).

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

72553962 is a wasteful number, since it uses less digits than its factorization.

72553962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930197.

The product of its digits is 113400, while the sum is 39.

The square root of 72553962 is about 8517.8613513017. The cubic root of 72553962 is about 417.0809727224.

The spelling of 72553962 in words is "seventy-two million, five hundred fifty-three thousand, nine hundred sixty-two".