340766738 has 8 divisors (see below), whose sum is σ = 550469388. Its totient is φ = 157276944.

The previous prime is 340766719. The next prime is 340766747. The reversal of 340766738 is 837667043.

It can be written as a sum of positive squares in 2 ways, for example, as 308810329 + 31956409 = 17573^2 + 5653^2 .

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

It is a super-2 number, since 2×340766738² = 232243939454321288, which contains 22 as substring.

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, 6553181 + ... + 6553232.

Almost surely, 2^340766738 is an apocalyptic number.

340766738 is a deficient number, since it is larger than the sum of its proper divisors (209702650).

340766738 is a wasteful number, since it uses less digits than its factorization.

340766738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13106428.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 340766738 is about 18459.8683093894. The cubic root of 340766738 is about 698.4774649607.

The spelling of 340766738 in words is "three hundred forty million, seven hundred sixty-six thousand, seven hundred thirty-eight".