1407982725 has 36 divisors (see below), whose sum is σ = 2527556356. Its totient is φ = 749226240.

The previous prime is 1407982711. The next prime is 1407982727. The reversal of 1407982725 is 5272897041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 253478241 + 1154504484 = 15921^2 + 33978^2 .

It is not a de Polignac number, because 1407982725 - 2²⁰ = 1406934149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407982727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95979 + ... + 109671.

Almost surely, 2^1407982725 is an apocalyptic number.

1407982725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1407982725 is a deficient number, since it is larger than the sum of its proper divisors (1119573631).

1407982725 is a wasteful number, since it uses less digits than its factorization.

1407982725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166 (or 14158 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1407982725 is about 37523.0958877329. The cubic root of 1407982725 is about 1120.8111484149.

The spelling of 1407982725 in words is "one billion, four hundred seven million, nine hundred eighty-two thousand, seven hundred twenty-five".