73726494732 has 384 divisors, whose sum is σ = 224226508800. Its totient is φ = 20715264000.

The previous prime is 73726494719. The next prime is 73726494739. The reversal of 73726494732 is 23749462737.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (73726494739) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 330611973 + ... + 330612195.

It is an arithmetic number, because the mean of its divisors is an integer number (583923200).

Almost surely, 2^73726494732 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 73726494732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112113254400).

73726494732 is an abundant number, since it is smaller than the sum of its proper divisors (150500014068).

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

73726494732 is a wasteful number, since it uses less digits than its factorization.

73726494732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 506 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 54.

The spelling of 73726494732 in words is "seventy-three billion, seven hundred twenty-six million, four hundred ninety-four thousand, seven hundred thirty-two".