745444800 has 126 divisors (see below), whose sum is σ = 2649538008. Its totient is φ = 198781440.

The previous prime is 745444783. The next prime is 745444831. The reversal of 745444800 is 8444547.

745444800 is a `hidden beast` number, since 74 + 544 + 48 + 0 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11484 + ... + 40283.

Almost surely, 2^745444800 is an apocalyptic number.

It is an amenable number.

745444800 is an abundant number, since it is smaller than the sum of its proper divisors (1904093208).

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

745444800 is a wasteful number, since it uses less digits than its factorization.

745444800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51795 (or 51777 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 745444800 is about 27302.8350176314. The cubic root of 745444800 is about 906.7171492460.

The spelling of 745444800 in words is "seven hundred forty-five million, four hundred forty-four thousand, eight hundred".