745902450 has 36 divisors (see below), whose sum is σ = 2003992458. Its totient is φ = 198907200.

The previous prime is 745902431. The next prime is 745902481. The reversal of 745902450 is 54209547.

745902450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 444914649 + 300987801 = 21093^2 + 17349^2 .

It is a Curzon 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, 828331 + ... + 829230.

Almost surely, 2^745902450 is an apocalyptic number.

745902450 is an abundant number, since it is smaller than the sum of its proper divisors (1258090008).

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

745902450 is a wasteful number, since it uses less digits than its factorization.

745902450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657579 (or 1657571 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 745902450 is about 27311.2147294843. The cubic root of 745902450 is about 906.9026645311.

The spelling of 745902450 in words is "seven hundred forty-five million, nine hundred two thousand, four hundred fifty".