313747642 has 16 divisors (see below), whose sum is σ = 520522632. Its totient is φ = 140892480.

The previous prime is 313747601. The next prime is 313747657. The reversal of 313747642 is 246747313.

It can be written as a sum of positive squares in 4 ways, for example, as 313679521 + 68121 = 17711^2 + 261^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162109 + ... + 164032.

Almost surely, 2^313747642 is an apocalyptic number.

313747642 is a deficient number, since it is larger than the sum of its proper divisors (206774990).

313747642 is a wasteful number, since it uses less digits than its factorization.

313747642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326193.

The product of its digits is 84672, while the sum is 37.

The square root of 313747642 is about 17712.9230224715. The cubic root of 313747642 is about 679.5063039932.

The spelling of 313747642 in words is "three hundred thirteen million, seven hundred forty-seven thousand, six hundred forty-two".