745073660 has 12 divisors (see below), whose sum is σ = 1564654728. Its totient is φ = 298029456.

The previous prime is 745073621. The next prime is 745073663. The reversal of 745073660 is 66370547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745073663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18626822 + ... + 18626861.

It is an arithmetic number, because the mean of its divisors is an integer number (130387894).

Almost surely, 2^745073660 is an apocalyptic number.

It is an amenable number.

745073660 is an abundant number, since it is smaller than the sum of its proper divisors (819581068).

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

745073660 is a wasteful number, since it uses less digits than its factorization.

745073660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37253692 (or 37253690 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 745073660 is about 27296.0374413577. The cubic root of 745073660 is about 906.5666463218.

The spelling of 745073660 in words is "seven hundred forty-five million, seventy-three thousand, six hundred sixty".