73472510720 has 144 divisors (see below), whose sum is σ = 205809542400. Its totient is φ = 24604618752.

The previous prime is 73472510689. The next prime is 73472510743. The reversal of 73472510720 is 2701527437.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289931 + ... + 480629.

Almost surely, 2^73472510720 is an apocalyptic number.

73472510720 is a gapful number since it is divisible by the number (70) 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 73472510720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102904771200).

73472510720 is an abundant number, since it is smaller than the sum of its proper divisors (132337031680).

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

73472510720 is a wasteful number, since it uses less digits than its factorization.

73472510720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190770 (or 190756 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 73472510720 in words is "seventy-three billion, four hundred seventy-two million, five hundred ten thousand, seven hundred twenty".