372991027 has 4 divisors (see below), whose sum is σ = 379105696. Its totient is φ = 366876360.

The previous prime is 372991019. The next prime is 372991049. The reversal of 372991027 is 720199273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720199273 = 137 ⋅5256929.

It is a cyclic number.

It is not a de Polignac number, because 372991027 - 2³ = 372991019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372991057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057243 + ... + 3057364.

It is an arithmetic number, because the mean of its divisors is an integer number (94776424).

Almost surely, 2^372991027 is an apocalyptic number.

372991027 is a deficient number, since it is larger than the sum of its proper divisors (6114669).

372991027 is an equidigital number, since it uses as much as digits as its factorization.

372991027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114668.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 372991027 is about 19312.9756122665. The cubic root of 372991027 is about 719.8347273688.

The spelling of 372991027 in words is "three hundred seventy-two million, nine hundred ninety-one thousand, twenty-seven".