340623740 has 24 divisors (see below), whose sum is σ = 715774752. Its totient is φ = 136160960.

The previous prime is 340623733. The next prime is 340623793. The reversal of 340623740 is 47326043.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32330 + ... + 41550.

It is an arithmetic number, because the mean of its divisors is an integer number (29823948).

Almost surely, 2^340623740 is an apocalyptic number.

It is an amenable number.

340623740 is an abundant number, since it is smaller than the sum of its proper divisors (375151012).

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

340623740 is a wasteful number, since it uses less digits than its factorization.

340623740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077 (or 11075 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 340623740 is about 18455.9946900729. The cubic root of 340623740 is about 698.3797491883.

Adding to 340623740 its reverse (47326043), we get a palindrome (387949783).

The spelling of 340623740 in words is "three hundred forty million, six hundred twenty-three thousand, seven hundred forty".