72994659192 has 768 divisors, whose sum is σ = 268731187200. Its totient is φ = 18094503168.

The previous prime is 72994659163. The next prime is 72994659223. The reversal of 72994659192 is 29195649927.

72994659192 is a `hidden beast` number, since 72 + 99 + 465 + 9 + 19 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 574761033 + ... + 574761159.

It is an arithmetic number, because the mean of its divisors is an integer number (349910400).

Almost surely, 2^72994659192 is an apocalyptic number.

72994659192 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72994659192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134365593600).

72994659192 is an abundant number, since it is smaller than the sum of its proper divisors (195736528008).

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

72994659192 is a wasteful number, since it uses less digits than its factorization.

72994659192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 171 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The spelling of 72994659192 in words is "seventy-two billion, nine hundred ninety-four million, six hundred fifty-nine thousand, one hundred ninety-two".