342640374 has 16 divisors (see below), whose sum is σ = 685504512. Its totient is φ = 114176168.

The previous prime is 342640373. The next prime is 342640393. The reversal of 342640374 is 473046243.

It is a super-3 number, since 3×342640374³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342640373) 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, 15787 + ... + 30569.

It is an arithmetic number, because the mean of its divisors is an integer number (42844032).

Almost surely, 2^342640374 is an apocalyptic number.

342640374 is an abundant number, since it is smaller than the sum of its proper divisors (342864138).

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

342640374 is a wasteful number, since it uses less digits than its factorization.

342640374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18651.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 342640374 is about 18510.5476418176. The cubic root of 342640374 is about 699.7552709121.

The spelling of 342640374 in words is "three hundred forty-two million, six hundred forty thousand, three hundred seventy-four".