745704660 has 96 divisors (see below), whose sum is σ = 2270661120. Its totient is φ = 182089728.

The previous prime is 745704629. The next prime is 745704671. The reversal of 745704660 is 66407547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27861 + ... + 47619.

It is an arithmetic number, because the mean of its divisors is an integer number (23652720).

Almost surely, 2^745704660 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 745704660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135330560).

745704660 is an abundant number, since it is smaller than the sum of its proper divisors (1524956460).

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

745704660 is a wasteful number, since it uses less digits than its factorization.

745704660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19825 (or 19823 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 745704660 is about 27307.5934494419. The cubic root of 745704660 is about 906.8224967043.

The spelling of 745704660 in words is "seven hundred forty-five million, seven hundred four thousand, six hundred sixty".