342713681 has 4 divisors (see below), whose sum is σ = 342857892. Its totient is φ = 342569472.

The previous prime is 342713669. The next prime is 342713687. The reversal of 342713681 is 186317243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250937281 + 91776400 = 15841^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 342713681 - 2¹⁴ = 342697297 is a prime.

It is a super-2 number, since 2×342713681² = 234905334289139522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342713687) 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, 68480 + ... + 73313.

It is an arithmetic number, because the mean of its divisors is an integer number (85714473).

Almost surely, 2^342713681 is an apocalyptic number.

It is an amenable number.

342713681 is a deficient number, since it is larger than the sum of its proper divisors (144211).

342713681 is a wasteful number, since it uses less digits than its factorization.

342713681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144210.

The product of its digits is 24192, while the sum is 35.

The square root of 342713681 is about 18512.5276772244. The cubic root of 342713681 is about 699.8051709489.

The spelling of 342713681 in words is "three hundred forty-two million, seven hundred thirteen thousand, six hundred eighty-one".