72490123602 has 96 divisors (see below), whose sum is σ = 172329970176. Its totient is φ = 21886243200.

The previous prime is 72490123591. The next prime is 72490123609. The reversal of 72490123602 is 20632109427.

72490123602 is a `hidden beast` number, since 7 + 2 + 49 + 0 + 1 + 2 + 3 + 602 = 666.

It is not an unprimeable number, because it can be changed into a prime (72490123609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6146203 + ... + 6157985.

It is an arithmetic number, because the mean of its divisors is an integer number (1795103856).

Almost surely, 2^72490123602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72490123602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86164985088).

72490123602 is an abundant number, since it is smaller than the sum of its proper divisors (99839846574).

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

72490123602 is a wasteful number, since it uses less digits than its factorization.

72490123602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296 (or 12293 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 72490123602 in words is "seventy-two billion, four hundred ninety million, one hundred twenty-three thousand, six hundred two".