745071400 has 24 divisors (see below), whose sum is σ = 1732291470. Its totient is φ = 298028480.

The previous prime is 745071389. The next prime is 745071413. The reversal of 745071400 is 4170547.

It can be written as a sum of positive squares in 3 ways, for example, as 673194916 + 71876484 = 25946^2 + 8478^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1862479 + ... + 1862878.

Almost surely, 2^745071400 is an apocalyptic number.

It is an amenable number.

745071400 is an abundant number, since it is smaller than the sum of its proper divisors (987220070).

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

745071400 is a wasteful number, since it uses less digits than its factorization.

745071400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725373 (or 3725364 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 745071400 is about 27295.9960433760. The cubic root of 745071400 is about 906.5657297043.

The spelling of 745071400 in words is "seven hundred forty-five million, seventy-one thousand, four hundred".