72692421360 has 160 divisors (see below), whose sum is σ = 247260299328. Its totient is φ = 17555865600.

The previous prime is 72692421341. The next prime is 72692421397. The reversal of 72692421360 is 6312429627.

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, 54441 + ... + 385160.

Almost surely, 2^72692421360 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 72692421360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123630149664).

72692421360 is an abundant number, since it is smaller than the sum of its proper divisors (174567877968).

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

72692421360 is a wasteful number, since it uses less digits than its factorization.

72692421360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439683 (or 439677 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 72692421360 in words is "seventy-two billion, six hundred ninety-two million, four hundred twenty-one thousand, three hundred sixty".