72454610616 has 16 divisors (see below), whose sum is σ = 181136526600. Its totient is φ = 24151536864.

The previous prime is 72454610609. The next prime is 72454610617. The reversal of 72454610616 is 61601645427.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72454610617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509471031 + ... + 1509471078.

Almost surely, 2^72454610616 is an apocalyptic number.

It is an amenable number.

72454610616 is an abundant number, since it is smaller than the sum of its proper divisors (108681915984).

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

72454610616 is a wasteful number, since it uses less digits than its factorization.

72454610616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018942118 (or 3018942114 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 72454610616 in words is "seventy-two billion, four hundred fifty-four million, six hundred ten thousand, six hundred sixteen".