373427999 has 4 divisors (see below), whose sum is σ = 426774864. Its totient is φ = 320081136.

The previous prime is 373427987. The next prime is 373428017. The reversal of 373427999 is 999724373.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999724373 = 739 ⋅1352807.

It is a cyclic number.

It is not a de Polignac number, because 373427999 - 2¹² = 373423903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 373427999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373427599) 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, 26673422 + ... + 26673435.

It is an arithmetic number, because the mean of its divisors is an integer number (106693716).

Almost surely, 2^373427999 is an apocalyptic number.

373427999 is a deficient number, since it is larger than the sum of its proper divisors (53346865).

373427999 is an equidigital number, since it uses as much as digits as its factorization.

373427999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53346864.

The product of its digits is 2571912, while the sum is 53.

The square root of 373427999 is about 19324.2852131715. The cubic root of 373427999 is about 720.1157214975.

The spelling of 373427999 in words is "three hundred seventy-three million, four hundred twenty-seven thousand, nine hundred ninety-nine".