745717671025 has 48 divisors (see below), whose sum is σ = 982605234240. Its totient is φ = 559812556800.

The previous prime is 745717670993. The next prime is 745717671077. The reversal of 745717671025 is 520176717547.

It is not a de Polignac number, because 745717671025 - 2⁵ = 745717670993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106970790 + ... + 106977760.

It is an arithmetic number, because the mean of its divisors is an integer number (20470942380).

Almost surely, 2^745717671025 is an apocalyptic number.

It is an amenable number.

745717671025 is a deficient number, since it is larger than the sum of its proper divisors (236887563215).

745717671025 is a wasteful number, since it uses less digits than its factorization.

745717671025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9101 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 52.

The spelling of 745717671025 in words is "seven hundred forty-five billion, seven hundred seventeen million, six hundred seventy-one thousand, twenty-five".