374007991 has 8 divisors (see below), whose sum is σ = 446022144. Its totient is φ = 306639960.

The previous prime is 374007967. The next prime is 374008031. The reversal of 374007991 is 199700473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 374007991 - 2¹⁵ = 373975223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374007911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161355 + ... + 1161676.

It is an arithmetic number, because the mean of its divisors is an integer number (55752768).

Almost surely, 2^374007991 is an apocalyptic number.

374007991 is a deficient number, since it is larger than the sum of its proper divisors (72014153).

374007991 is a wasteful number, since it uses less digits than its factorization.

374007991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323061.

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

The square root of 374007991 is about 19339.2862070967. The cubic root of 374007991 is about 720.4883460409.

The spelling of 374007991 in words is "three hundred seventy-four million, seven thousand, nine hundred ninety-one".