312672337 has 4 divisors (see below), whose sum is σ = 313801396. Its totient is φ = 311543280.

The previous prime is 312672323. The next prime is 312672361. The reversal of 312672337 is 733276213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60466176 + 252206161 = 7776^2 + 15881^2 .

It is a cyclic number.

It is not a de Polignac number, because 312672337 - 2⁷ = 312672209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312672137) 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, 564114 + ... + 564667.

It is an arithmetic number, because the mean of its divisors is an integer number (78450349).

Almost surely, 2^312672337 is an apocalyptic number.

It is an amenable number.

312672337 is a deficient number, since it is larger than the sum of its proper divisors (1129059).

312672337 is a wasteful number, since it uses less digits than its factorization.

312672337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129058.

The product of its digits is 31752, while the sum is 34.

The square root of 312672337 is about 17682.5432842677. The cubic root of 312672337 is about 678.7291264480.

The spelling of 312672337 in words is "three hundred twelve million, six hundred seventy-two thousand, three hundred thirty-seven".