72523001960 has 16 divisors (see below), whose sum is σ = 163176754500. Its totient is φ = 29009200768.

The previous prime is 72523001953. The next prime is 72523001981. The reversal of 72523001960 is 6910032527.

It can be written as a sum of positive squares in 2 ways, for example, as 70253622916 + 2269379044 = 265054^2 + 47638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72523001960.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906537485 + ... + 906537564.

Almost surely, 2^72523001960 is an apocalyptic number.

It is an amenable number.

72523001960 is an abundant number, since it is smaller than the sum of its proper divisors (90653752540).

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

72523001960 is a wasteful number, since it uses less digits than its factorization.

72523001960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813075060 (or 1813075056 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 72523001960 in words is "seventy-two billion, five hundred twenty-three million, one thousand, nine hundred sixty".