340874678 has 8 divisors (see below), whose sum is σ = 513605568. Its totient is φ = 169672824.

The previous prime is 340874669. The next prime is 340874711. The reversal of 340874678 is 876478043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×340874678² = 232391092203207368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381701 + ... + 382592.

It is an arithmetic number, because the mean of its divisors is an integer number (64200696).

Almost surely, 2^340874678 is an apocalyptic number.

340874678 is a deficient number, since it is larger than the sum of its proper divisors (172730890).

340874678 is a wasteful number, since it uses less digits than its factorization.

340874678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764518.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 340874678 is about 18462.7917173975. The cubic root of 340874678 is about 698.5512062135.

The spelling of 340874678 in words is "three hundred forty million, eight hundred seventy-four thousand, six hundred seventy-eight".