372827409 has 4 divisors (see below), whose sum is σ = 497103216. Its totient is φ = 248551604.

The previous prime is 372827407. The next prime is 372827419. The reversal of 372827409 is 904728273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 372827409 - 2¹ = 372827407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (372827407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62137899 + ... + 62137904.

It is an arithmetic number, because the mean of its divisors is an integer number (124275804).

Almost surely, 2^372827409 is an apocalyptic number.

It is an amenable number.

372827409 is a deficient number, since it is larger than the sum of its proper divisors (124275807).

372827409 is a wasteful number, since it uses less digits than its factorization.

372827409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124275806.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 372827409 is about 19308.7391872178. The cubic root of 372827409 is about 719.7294566110.

The spelling of 372827409 in words is "three hundred seventy-two million, eight hundred twenty-seven thousand, four hundred nine".