340047740 has 12 divisors (see below), whose sum is σ = 714100296. Its totient is φ = 136019088.

The previous prime is 340047737. The next prime is 340047749. The reversal of 340047740 is 47740043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340047749) 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, 8501174 + ... + 8501213.

It is an arithmetic number, because the mean of its divisors is an integer number (59508358).

Almost surely, 2^340047740 is an apocalyptic number.

It is an amenable number.

340047740 is an abundant number, since it is smaller than the sum of its proper divisors (374052556).

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

340047740 is a wasteful number, since it uses less digits than its factorization.

340047740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17002396 (or 17002394 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 340047740 is about 18440.3834016541. The cubic root of 340047740 is about 697.9858701091.

Adding to 340047740 its reverse (47740043), we get a palindrome (387787783).

The spelling of 340047740 in words is "three hundred forty million, forty-seven thousand, seven hundred forty".