312734745 has 12 divisors (see below), whose sum is σ = 542073636. Its totient is φ = 166791840.

The previous prime is 312734729. The next prime is 312734783. The reversal of 312734745 is 547437213.

It can be written as a sum of positive squares in 2 ways, for example, as 232166169 + 80568576 = 15237^2 + 8976^2 .

It is not a de Polignac number, because 312734745 - 2⁴ = 312734729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3474786 + ... + 3474875.

It is an arithmetic number, because the mean of its divisors is an integer number (45172803).

Almost surely, 2^312734745 is an apocalyptic number.

It is an amenable number.

312734745 is a deficient number, since it is larger than the sum of its proper divisors (229338891).

312734745 is a wasteful number, since it uses less digits than its factorization.

312734745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949672 (or 6949669 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 312734745 is about 17684.3078744971. The cubic root of 312734745 is about 678.7742805433.

The spelling of 312734745 in words is "three hundred twelve million, seven hundred thirty-four thousand, seven hundred forty-five".