312672377 has 4 divisors (see below), whose sum is σ = 313188096. Its totient is φ = 312156660.

The previous prime is 312672361. The next prime is 312672407. The reversal of 312672377 is 773276213.

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 312672377 - 2⁴ = 312672361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312672377.

It is not an unprimeable number, because it can be changed into a prime (312692377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256949 + ... + 258162.

It is an arithmetic number, because the mean of its divisors is an integer number (78297024).

Almost surely, 2^312672377 is an apocalyptic number.

It is an amenable number.

312672377 is a deficient number, since it is larger than the sum of its proper divisors (515719).

312672377 is an equidigital number, since it uses as much as digits as its factorization.

312672377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515718.

The product of its digits is 74088, while the sum is 38.

The square root of 312672377 is about 17682.5444153267. The cubic root of 312672377 is about 678.7291553911.

The spelling of 312672377 in words is "three hundred twelve million, six hundred seventy-two thousand, three hundred seventy-seven".