72437312351622 has 32 divisors (see below), whose sum is σ = 151543138959360. Its totient is φ = 23039485318080.

The previous prime is 72437312351401. The next prime is 72437312351681. The reversal of 72437312351622 is 22615321373427.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641640454 + ... + 641753337.

It is an arithmetic number, because the mean of its divisors is an integer number (4735723092480).

Almost surely, 2^{72437312351622} is an apocalyptic number.

72437312351622 is an abundant number, since it is smaller than the sum of its proper divisors (79105826607738).

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

72437312351622 is a wasteful number, since it uses less digits than its factorization.

72437312351622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283394228.

The product of its digits is 2540160, while the sum is 48.

The spelling of 72437312351622 in words is "seventy-two trillion, four hundred thirty-seven billion, three hundred twelve million, three hundred fifty-one thousand, six hundred twenty-two".