312974077 has 4 divisors (see below), whose sum is σ = 337049020. Its totient is φ = 288899136.

The previous prime is 312974069. The next prime is 312974111. The reversal of 312974077 is 770479213.

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 15100996 + 297873081 = 3886^2 + 17259^2 .

It is a cyclic number.

It is not a de Polignac number, because 312974077 - 2³ = 312974069 is a prime.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312974027) 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, 12037452 + ... + 12037477.

It is an arithmetic number, because the mean of its divisors is an integer number (84262255).

Almost surely, 2^312974077 is an apocalyptic number.

It is an amenable number.

312974077 is a deficient number, since it is larger than the sum of its proper divisors (24074943).

312974077 is a wasteful number, since it uses less digits than its factorization.

312974077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24074942.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 312974077 is about 17691.0733704883. The cubic root of 312974077 is about 678.9473888887.

The spelling of 312974077 in words is "three hundred twelve million, nine hundred seventy-four thousand, seventy-seven".