340042753 has 16 divisors (see below), whose sum is σ = 373222080. Its totient is φ = 308677824.

The previous prime is 340042727. The next prime is 340042771. The reversal of 340042753 is 357240043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340042753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340042723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39375 + ... + 47227.

It is an arithmetic number, because the mean of its divisors is an integer number (23326380).

Almost surely, 2^340042753 is an apocalyptic number.

It is an amenable number.

340042753 is a deficient number, since it is larger than the sum of its proper divisors (33179327).

340042753 is a wasteful number, since it uses less digits than its factorization.

340042753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 340042753 is about 18440.2481816271. The cubic root of 340042753 is about 697.9824579681.

Adding to 340042753 its reverse (357240043), we get a palindrome (697282796).

The spelling of 340042753 in words is "three hundred forty million, forty-two thousand, seven hundred fifty-three".