340781370674 has 4 divisors (see below), whose sum is σ = 511172056014. Its totient is φ = 170390685336.

The previous prime is 340781370649. The next prime is 340781370689. The reversal of 340781370674 is 476073187043.

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

It can be written as a sum of positive squares in only one way, i.e., 307906241449 + 32875129225 = 554893^2 + 181315^2 .

It is a super-2 number, since 2×340781370674² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85195342667 + ... + 85195342670.

Almost surely, 2^340781370674 is an apocalyptic number.

340781370674 is a deficient number, since it is larger than the sum of its proper divisors (170390685340).

340781370674 is a wasteful number, since it uses less digits than its factorization.

340781370674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170390685339.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 340781370674 in words is "three hundred forty billion, seven hundred eighty-one million, three hundred seventy thousand, six hundred seventy-four".