372249689 has 4 divisors (see below), whose sum is σ = 425428224. Its totient is φ = 319071156.

The previous prime is 372249679. The next prime is 372249707. The reversal of 372249689 is 986942273.

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 372249689 - 2⁴ = 372249673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372249649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26589257 + ... + 26589270.

It is an arithmetic number, because the mean of its divisors is an integer number (106357056).

Almost surely, 2^372249689 is an apocalyptic number.

It is an amenable number.

372249689 is a deficient number, since it is larger than the sum of its proper divisors (53178535).

372249689 is an equidigital number, since it uses as much as digits as its factorization.

372249689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53178534.

The product of its digits is 1306368, while the sum is 50.

The square root of 372249689 is about 19293.7733219814. The cubic root of 372249689 is about 719.3575087629.

The spelling of 372249689 in words is "three hundred seventy-two million, two hundred forty-nine thousand, six hundred eighty-nine".