374971213 has 4 divisors (see below), whose sum is σ = 394706560. Its totient is φ = 355235868.

The previous prime is 374971147. The next prime is 374971249. The reversal of 374971213 is 312179473.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-374971213 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 (374971253) 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, 9867645 + ... + 9867682.

It is an arithmetic number, because the mean of its divisors is an integer number (98676640).

Almost surely, 2^374971213 is an apocalyptic number.

It is an amenable number.

374971213 is a deficient number, since it is larger than the sum of its proper divisors (19735347).

374971213 is a wasteful number, since it uses less digits than its factorization.

374971213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19735346.

The product of its digits is 31752, while the sum is 37.

The square root of 374971213 is about 19364.1734396281. The cubic root of 374971213 is about 721.1063322200.

The spelling of 374971213 in words is "three hundred seventy-four million, nine hundred seventy-one thousand, two hundred thirteen".