745173131304 has 128 divisors (see below), whose sum is σ = 2153629347840. Its totient is φ = 210458932992.

The previous prime is 745173131303. The next prime is 745173131309. The reversal of 745173131304 is 403131371547.

It is not an unprimeable number, because it can be changed into a prime (745173131303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8278122 + ... + 8367654.

It is an arithmetic number, because the mean of its divisors is an integer number (16825229280).

Almost surely, 2^745173131304 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 745173131304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076814673920).

745173131304 is an abundant number, since it is smaller than the sum of its proper divisors (1408456216536).

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

745173131304 is a wasteful number, since it uses less digits than its factorization.

745173131304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90119 (or 90115 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 745173131304 in words is "seven hundred forty-five billion, one hundred seventy-three million, one hundred thirty-one thousand, three hundred four".