373666731 has 8 divisors (see below), whose sum is σ = 498322320. Its totient is φ = 249061152.

The previous prime is 373666729. The next prime is 373666753. The reversal of 373666731 is 137666373.

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

It is not a de Polignac number, because 373666731 - 2¹ = 373666729 is a prime.

It is a super-2 number, since 2×373666731² = 279253651712452722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (373666031) 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, 11541 + ... + 29673.

It is an arithmetic number, because the mean of its divisors is an integer number (62290290).

Almost surely, 2^373666731 is an apocalyptic number.

373666731 is a deficient number, since it is larger than the sum of its proper divisors (124655589).

373666731 is a wasteful number, since it uses less digits than its factorization.

373666731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005.

The product of its digits is 285768, while the sum is 42.

The square root of 373666731 is about 19330.4612205710. The cubic root of 373666731 is about 720.2691451338.

The spelling of 373666731 in words is "three hundred seventy-three million, six hundred sixty-six thousand, seven hundred thirty-one".