72345011850 has 36 divisors (see below), whose sum is σ = 194366933046. Its totient is φ = 19292003040.

The previous prime is 72345011833. The next prime is 72345011873. The reversal of 72345011850 is 5811054327.

72345011850 is a `hidden beast` number, since 7 + 23 + 450 + 1 + 185 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 52630324569 + 19714687281 = 229413^2 + 140409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 80382897 + ... + 80383796.

Almost surely, 2^72345011850 is an apocalyptic number.

72345011850 is an abundant number, since it is smaller than the sum of its proper divisors (122021921196).

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

72345011850 is a wasteful number, since it uses less digits than its factorization.

72345011850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160766711 (or 160766703 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 72345011850 in words is "seventy-two billion, three hundred forty-five million, eleven thousand, eight hundred fifty".