73219113232 has 40 divisors (see below), whose sum is σ = 146991484800. Its totient is φ = 35289916032.

The previous prime is 73219113229. The next prime is 73219113257. The reversal of 73219113232 is 23231191237.

It is a super-2 number, since 2×73219113232² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159753 + ... + 414679.

It is an arithmetic number, because the mean of its divisors is an integer number (3674787120).

Almost surely, 2^73219113232 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 73219113232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73495742400).

73219113232 is an abundant number, since it is smaller than the sum of its proper divisors (73772371568).

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

73219113232 is a wasteful number, since it uses less digits than its factorization.

73219113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255583 (or 255577 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The spelling of 73219113232 in words is "seventy-three billion, two hundred nineteen million, one hundred thirteen thousand, two hundred thirty-two".