340680674 has 4 divisors (see below), whose sum is σ = 511021014. Its totient is φ = 170340336.

The previous prime is 340680673. The next prime is 340680677. The reversal of 340680674 is 476086043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476086043 = 127 ⋅3748709.

It can be written as a sum of positive squares in only one way, i.e., 285846649 + 54834025 = 16907^2 + 7405^2 .

It is not an unprimeable number, because it can be changed into a prime (340680671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85170167 + ... + 85170170.

Almost surely, 2^340680674 is an apocalyptic number.

340680674 is a deficient number, since it is larger than the sum of its proper divisors (170340340).

340680674 is a wasteful number, since it uses less digits than its factorization.

340680674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170340339.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 340680674 is about 18457.5370512970. The cubic root of 340680674 is about 698.4186575525.

The spelling of 340680674 in words is "three hundred forty million, six hundred eighty thousand, six hundred seventy-four".