373993081 has 16 divisors (see below), whose sum is σ = 493706880. Its totient is φ = 274279680.

The previous prime is 373993073. The next prime is 373993091. The reversal of 373993081 is 180399373.

It is a cyclic number.

It is not a de Polignac number, because 373993081 - 2³ = 373993073 is a prime.

It is a super-2 number, since 2×373993081² = 279741649271745122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373993091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141546 + ... + 144163.

It is an arithmetic number, because the mean of its divisors is an integer number (30856680).

Almost surely, 2^373993081 is an apocalyptic number.

It is an amenable number.

373993081 is a deficient number, since it is larger than the sum of its proper divisors (119713799).

373993081 is a wasteful number, since it uses less digits than its factorization.

373993081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285744.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 373993081 is about 19338.9007185000. The cubic root of 373993081 is about 720.4787717142.

The spelling of 373993081 in words is "three hundred seventy-three million, nine hundred ninety-three thousand, eighty-one".