72303571275522 has 96 divisors (see below), whose sum is σ = 149537164924224. Its totient is φ = 23303990448000.

The previous prime is 72303571275499. The next prime is 72303571275641. The reversal of 72303571275522 is 22557217530327.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 617060913 + ... + 617178075.

It is an arithmetic number, because the mean of its divisors is an integer number (1557678801294).

Almost surely, 2^{72303571275522} is an apocalyptic number.

72303571275522 is an abundant number, since it is smaller than the sum of its proper divisors (77233593648702).

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

72303571275522 is a wasteful number, since it uses less digits than its factorization.

72303571275522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117824 (or 117777 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 51.

The spelling of 72303571275522 in words is "seventy-two trillion, three hundred three billion, five hundred seventy-one million, two hundred seventy-five thousand, five hundred twenty-two".