312742372 has 6 divisors (see below), whose sum is σ = 547299158. Its totient is φ = 156371184.

The previous prime is 312742363. The next prime is 312742393. The reversal of 312742372 is 273247213.

It can be written as a sum of positive squares in only one way, i.e., 276091456 + 36650916 = 16616^2 + 6054^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 39092793 + ... + 39092800.

Almost surely, 2^312742372 is an apocalyptic number.

It is an amenable number.

312742372 is a deficient number, since it is larger than the sum of its proper divisors (234556786).

312742372 is a wasteful number, since it uses less digits than its factorization.

312742372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78185597 (or 78185595 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 312742372 is about 17684.5235163405. The cubic root of 312742372 is about 678.7797984989.

Adding to 312742372 its reverse (273247213), we get a palindrome (585989585).

The spelling of 312742372 in words is "three hundred twelve million, seven hundred forty-two thousand, three hundred seventy-two".