312094729 has 2 divisors, whose sum is σ = 312094730. Its totient is φ = 312094728.

The previous prime is 312094681. The next prime is 312094819. The reversal of 312094729 is 927490213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277555600 + 34539129 = 16660^2 + 5877^2 .

It is a cyclic number.

It is not a de Polignac number, because 312094729 - 2⁹ = 312094217 is a prime.

It is not a weakly prime, because it can be changed into another prime (312094529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156047364 + 156047365.

It is an arithmetic number, because the mean of its divisors is an integer number (156047365).

Almost surely, 2^312094729 is an apocalyptic number.

It is an amenable number.

312094729 is a deficient number, since it is larger than the sum of its proper divisors (1).

312094729 is an equidigital number, since it uses as much as digits as its factorization.

312094729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 312094729 is about 17666.2030159285. The cubic root of 312094729 is about 678.3109239794.

The spelling of 312094729 in words is "three hundred twelve million, ninety-four thousand, seven hundred twenty-nine".