312734542 has 16 divisors (see below), whose sum is σ = 491323392. Its totient is φ = 149010840.

The previous prime is 312734501. The next prime is 312734549. The reversal of 312734542 is 245437213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312734549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 25009.

It is an arithmetic number, because the mean of its divisors is an integer number (30707712).

Almost surely, 2^312734542 is an apocalyptic number.

312734542 is a deficient number, since it is larger than the sum of its proper divisors (178588850).

312734542 is a wasteful number, since it uses less digits than its factorization.

312734542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25383.

The product of its digits is 20160, while the sum is 31.

The square root of 312734542 is about 17684.3021349444. The cubic root of 312734542 is about 678.7741336763.

The spelling of 312734542 in words is "three hundred twelve million, seven hundred thirty-four thousand, five hundred forty-two".