75672397639920 has 160 divisors (see below), whose sum is σ = 240492184015104. Its totient is φ = 19671875020800.

The previous prime is 75672397639897. The next prime is 75672397639931. The reversal of 75672397639920 is 2993679327657.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9725019 + ... + 15681861.

Almost surely, 2^{75672397639920} 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 75672397639920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120246092007552).

75672397639920 is an abundant number, since it is smaller than the sum of its proper divisors (164819786375184).

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

75672397639920 is a wasteful number, since it uses less digits than its factorization.

75672397639920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5958191 (or 5958185 counting only the distinct ones).

The product of its (nonzero) digits is 1620304560, while the sum is 75.

The spelling of 75672397639920 in words is "seventy-five trillion, six hundred seventy-two billion, three hundred ninety-seven million, six hundred thirty-nine thousand, nine hundred twenty".