72379558650 has 576 divisors, whose sum is σ = 226713168000. Its totient is φ = 15204833280.

The previous prime is 72379558639. The next prime is 72379558687. The reversal of 72379558650 is 5685597327.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 485768776 + ... + 485768924.

It is an arithmetic number, because the mean of its divisors is an integer number (393599250).

Almost surely, 2^72379558650 is an apocalyptic number.

72379558650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 72379558650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113356584000).

72379558650 is an abundant number, since it is smaller than the sum of its proper divisors (154333609350).

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

72379558650 is a wasteful number, since it uses less digits than its factorization.

72379558650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 72379558650 in words is "seventy-two billion, three hundred seventy-nine million, five hundred fifty-eight thousand, six hundred fifty".