745172560 has 80 divisors (see below), whose sum is σ = 2001246912. Its totient is φ = 255027200.

The previous prime is 745172531. The next prime is 745172579. The reversal of 745172560 is 65271547.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9946 + ... + 39865.

Almost surely, 2^745172560 is an apocalyptic number.

It is an amenable number.

745172560 is an abundant number, since it is smaller than the sum of its proper divisors (1256074352).

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

745172560 is a wasteful number, since it uses less digits than its factorization.

745172560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49852 (or 49846 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 745172560 is about 27297.8489995091. The cubic root of 745172560 is about 906.6067566623.

It can be divided in two parts, 74517 and 2560, that added together give a palindrome (77077).

The spelling of 745172560 in words is "seven hundred forty-five million, one hundred seventy-two thousand, five hundred sixty".