371673681 has 4 divisors (see below), whose sum is σ = 495564912. Its totient is φ = 247782452.

The previous prime is 371673647. The next prime is 371673689. The reversal of 371673681 is 186376173.

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 371673681 - 2¹⁰ = 371672657 is a prime.

It is a super-2 number, since 2×371673681² = 276282650296179522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (371673689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61945611 + ... + 61945616.

It is an arithmetic number, because the mean of its divisors is an integer number (123891228).

Almost surely, 2^371673681 is an apocalyptic number.

It is an amenable number.

371673681 is a deficient number, since it is larger than the sum of its proper divisors (123891231).

371673681 is a wasteful number, since it uses less digits than its factorization.

371673681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123891230.

The product of its digits is 127008, while the sum is 42.

The square root of 371673681 is about 19278.8402400144. The cubic root of 371673681 is about 718.9862798122.

The spelling of 371673681 in words is "three hundred seventy-one million, six hundred seventy-three thousand, six hundred eighty-one".