744705425 has 6 divisors (see below), whose sum is σ = 923434758. Its totient is φ = 595764320.

The previous prime is 744705407. The next prime is 744705449. The reversal of 744705425 is 524507447.

It can be written as a sum of positive squares in 3 ways, for example, as 134467216 + 610238209 = 11596^2 + 24703^2 .

It is not a de Polignac number, because 744705425 - 2¹² = 744701329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14894084 + ... + 14894133.

It is an arithmetic number, because the mean of its divisors is an integer number (153905793).

Almost surely, 2^744705425 is an apocalyptic number.

It is an amenable number.

744705425 is a deficient number, since it is larger than the sum of its proper divisors (178729333).

744705425 is a wasteful number, since it uses less digits than its factorization.

744705425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29788227 (or 29788222 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 38.

The square root of 744705425 is about 27289.2913979092. The cubic root of 744705425 is about 906.4172720171.

The spelling of 744705425 in words is "seven hundred forty-four million, seven hundred five thousand, four hundred twenty-five".