376113721 has 4 divisors (see below), whose sum is σ = 395909200. Its totient is φ = 356318244.

The previous prime is 376113719. The next prime is 376113737. The reversal of 376113721 is 127311673.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 376113721 - 2¹ = 376113719 is a prime.

It is a super-2 number, since 2×376113721² = 282923062248931682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (376113761) 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, 9897711 + ... + 9897748.

It is an arithmetic number, because the mean of its divisors is an integer number (98977300).

Almost surely, 2^376113721 is an apocalyptic number.

It is an amenable number.

376113721 is a deficient number, since it is larger than the sum of its proper divisors (19795479).

376113721 is a wasteful number, since it uses less digits than its factorization.

376113721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19795478.

The product of its digits is 5292, while the sum is 31.

The square root of 376113721 is about 19393.6515643651. The cubic root of 376113721 is about 721.8379745282.

The spelling of 376113721 in words is "three hundred seventy-six million, one hundred thirteen thousand, seven hundred twenty-one".