312472373 has 4 divisors (see below), whose sum is σ = 312512928. Its totient is φ = 312431820.

The previous prime is 312472351. The next prime is 312472399. The reversal of 312472373 is 373274213.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 312472373 - 2⁸ = 312472117 is a prime.

It is a super-2 number, since 2×312472373² = 195277967776502258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312472313) 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, 4763 + ... + 25448.

It is an arithmetic number, because the mean of its divisors is an integer number (78128232).

Almost surely, 2^312472373 is an apocalyptic number.

It is an amenable number.

312472373 is a deficient number, since it is larger than the sum of its proper divisors (40555).

312472373 is a wasteful number, since it uses less digits than its factorization.

312472373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40554.

The product of its digits is 21168, while the sum is 32.

The square root of 312472373 is about 17676.8881028308. Note that the first 3 decimals coincide. The cubic root of 312472373 is about 678.5844059019.

The spelling of 312472373 in words is "three hundred twelve million, four hundred seventy-two thousand, three hundred seventy-three".