340776726 has 8 divisors (see below), whose sum is σ = 681553464. Its totient is φ = 113592240.

The previous prime is 340776721. The next prime is 340776731. The reversal of 340776726 is 627677043.

It is an interprime number because it is at equal distance from previous prime (340776721) and next prime (340776731).

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

340776726 is an admirable number.

It is a super-2 number, since 2×340776726² = 232257553966558152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340776721) 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, 28398055 + ... + 28398066.

It is an arithmetic number, because the mean of its divisors is an integer number (85194183).

Almost surely, 2^340776726 is an apocalyptic number.

340776726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340776726 is a wasteful number, since it uses less digits than its factorization.

340776726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56796126.

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 340776726 is about 18460.1388402146. The cubic root of 340776726 is about 698.4842891056.

The spelling of 340776726 in words is "three hundred forty million, seven hundred seventy-six thousand, seven hundred twenty-six".