72036107136 has 160 divisors (see below), whose sum is σ = 245004004080. Its totient is φ = 20581724160.

The previous prime is 72036107119. The next prime is 72036107141. The reversal of 72036107136 is 63170163027.

72036107136 is a `hidden beast` number, since 7 + 2 + 0 + 3 + 610 + 7 + 1 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 72036107136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 423705 + ... + 568856.

Almost surely, 2^72036107136 is an apocalyptic number.

It is an amenable number.

72036107136 is an abundant number, since it is smaller than the sum of its proper divisors (172967896944).

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

72036107136 is an equidigital number, since it uses as much as digits as its factorization.

72036107136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992594 (or 992573 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 72036107136 in words is "seventy-two billion, thirty-six million, one hundred seven thousand, one hundred thirty-six".