1425744 has 30 divisors (see below), whose sum is σ = 3990506. Its totient is φ = 475200.

The previous prime is 1425733. The next prime is 1425757. The reversal of 1425744 is 4475241.

It can be written as a sum of positive squares in only one way, i.e., 1411344 + 14400 = 1188^2 + 120^2 .

It is a congruent 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, 4807 + ... + 5094.

2^1425744 is an apocalyptic number.

It is an amenable number.

1425744 is an abundant number, since it is smaller than the sum of its proper divisors (2564762).

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

1425744 is a wasteful number, since it uses less digits than its factorization.

1425744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9915 (or 9906 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 1425744 is about 1194.0452252742. The cubic root of 1425744 is about 112.5504366438.

It can be divided in two parts, 142 and 5744, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 1425744 in words is "one million, four hundred twenty-five thousand, seven hundred forty-four".