372424509 has 12 divisors (see below), whose sum is σ = 539306716. Its totient is φ = 247655232.

The previous prime is 372424501. The next prime is 372424517. The reversal of 372424509 is 905424273.

It is an interprime number because it is at equal distance from previous prime (372424501) and next prime (372424517).

It can be written as a sum of positive squares in 2 ways, for example, as 265364100 + 107060409 = 16290^2 + 10347^2 .

It is not a de Polignac number, because 372424509 - 2³ = 372424501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372424501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48544 + ... + 55689.

Almost surely, 2^372424509 is an apocalyptic number.

It is an amenable number.

372424509 is a deficient number, since it is larger than the sum of its proper divisors (166882207).

372424509 is a wasteful number, since it uses less digits than its factorization.

372424509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104636 (or 104633 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 372424509 is about 19298.3032673860. The cubic root of 372424509 is about 719.4701020051.

The spelling of 372424509 in words is "three hundred seventy-two million, four hundred twenty-four thousand, five hundred nine".