745399204 has 81 divisors (see below), whose sum is σ = 1544269251. Its totient is φ = 314519040.

The previous prime is 745399201. The next prime is 745399217. The reversal of 745399204 is 402993547.

The square root of 745399204 is 27302.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 94128804 + 651270400 = 9702^2 + 25520^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745399201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10210912 + ... + 10210984.

Almost surely, 2^745399204 is an apocalyptic number.

745399204 is the 27302-nd square number.

It is an amenable number.

745399204 is an abundant number, since it is smaller than the sum of its proper divisors (798870047).

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

745399204 is a wasteful number, since it uses less digits than its factorization.

745399204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The cubic root of 745399204 is about 906.6986620653.

The spelling of 745399204 in words is "seven hundred forty-five million, three hundred ninety-nine thousand, two hundred four".