72623361600 has 252 divisors, whose sum is σ = 258640931536. Its totient is φ = 19327196160.

The previous prime is 72623361593. The next prime is 72623361617. The reversal of 72623361600 is 616332627.

72623361600 is a `hidden beast` number, since 7 + 2 + 6 + 2 + 33 + 616 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7526379 + ... + 7536021.

Almost surely, 2^72623361600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72623361600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129320465768).

72623361600 is an abundant number, since it is smaller than the sum of its proper divisors (186017569936).

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

72623361600 is a wasteful number, since it uses less digits than its factorization.

72623361600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194 (or 10176 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 72623361600 in words is "seventy-two billion, six hundred twenty-three million, three hundred sixty-one thousand, six hundred".