312457272 has 16 divisors (see below), whose sum is σ = 781143240. Its totient is φ = 104152416.

The previous prime is 312457237. The next prime is 312457279. The reversal of 312457272 is 272754213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312457279) 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, 6509503 + ... + 6509550.

Almost surely, 2^312457272 is an apocalyptic number.

It is an amenable number.

312457272 is an abundant number, since it is smaller than the sum of its proper divisors (468685968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312457272 is a wasteful number, since it uses less digits than its factorization.

312457272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019062 (or 13019058 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 312457272 is about 17676.4609580085. The cubic root of 312457272 is about 678.5734743028.

The spelling of 312457272 in words is "three hundred twelve million, four hundred fifty-seven thousand, two hundred seventy-two".