1376744425 has 18 divisors (see below), whose sum is σ = 1985885358. Its totient is φ = 944052480.

The previous prime is 1376744417. The next prime is 1376744429. The reversal of 1376744425 is 5244476731.

It can be written as a sum of positive squares in 3 ways, for example, as 853776 + 1375890649 = 924^2 + 37093^2 .

It is not a de Polignac number, because 1376744425 - 2³ = 1376744417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1376744429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 560712 + ... + 563161.

Almost surely, 2^1376744425 is an apocalyptic number.

It is an amenable number.

1376744425 is a deficient number, since it is larger than the sum of its proper divisors (609140933).

1376744425 is a wasteful number, since it uses less digits than its factorization.

1376744425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123897 (or 1123885 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 1376744425 is about 37104.5068017350. The cubic root of 1376744425 is about 1112.4600970412.

The spelling of 1376744425 in words is "one billion, three hundred seventy-six million, seven hundred forty-four thousand, four hundred twenty-five".