745185400 has 48 divisors (see below), whose sum is σ = 1738940040. Its totient is φ = 296976000.

The previous prime is 745185319. The next prime is 745185401. The reversal of 745185400 is 4581547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745185401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48675 + ... + 62125.

Almost surely, 2^745185400 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 745185400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869470020).

745185400 is an abundant number, since it is smaller than the sum of its proper divisors (993754640).

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

745185400 is a wasteful number, since it uses less digits than its factorization.

745185400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13744 (or 13735 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 745185400 is about 27298.0841818616. The cubic root of 745185400 is about 906.6119638517.

The spelling of 745185400 in words is "seven hundred forty-five million, one hundred eighty-five thousand, four hundred".