372442391 has 2 divisors, whose sum is σ = 372442392. Its totient is φ = 372442390.

The previous prime is 372442363. The next prime is 372442403. The reversal of 372442391 is 193244273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 372442391 - 2⁶ = 372442327 is a prime.

It is a super-2 number, since 2×372442391² = 277426669227593762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (372442591) 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 as a sum of consecutive naturals, namely, 186221195 + 186221196.

It is an arithmetic number, because the mean of its divisors is an integer number (186221196).

Almost surely, 2^372442391 is an apocalyptic number.

372442391 is a deficient number, since it is larger than the sum of its proper divisors (1).

372442391 is an equidigital number, since it uses as much as digits as its factorization.

372442391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 372442391 is about 19298.7665668042. The cubic root of 372442391 is about 719.4816169637.

The spelling of 372442391 in words is "three hundred seventy-two million, four hundred forty-two thousand, three hundred ninety-one".