312672673 has 2 divisors, whose sum is σ = 312672674. Its totient is φ = 312672672.

The previous prime is 312672643. The next prime is 312672709. The reversal of 312672673 is 376276213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 17073424 = 17193^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 312672673 - 2¹⁷ = 312541601 is a prime.

It is not a weakly prime, because it can be changed into another prime (312672643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156336336 + 156336337.

It is an arithmetic number, because the mean of its divisors is an integer number (156336337).

Almost surely, 2^312672673 is an apocalyptic number.

It is an amenable number.

312672673 is a deficient number, since it is larger than the sum of its proper divisors (1).

312672673 is an equidigital number, since it uses as much as digits as its factorization.

312672673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 37.

The square root of 312672673 is about 17682.5527851609. The cubic root of 312672673 is about 678.7293695704.

The spelling of 312672673 in words is "three hundred twelve million, six hundred seventy-two thousand, six hundred seventy-three".