34640342 has 16 divisors (see below), whose sum is σ = 57238272. Its totient is φ = 15591720.

The previous prime is 34640317. The next prime is 34640357. The reversal of 34640342 is 24304643.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5378 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (3577392).

Almost surely, 2^34640342 is an apocalyptic number.

34640342 is a deficient number, since it is larger than the sum of its proper divisors (22597930).

34640342 is a wasteful number, since it uses less digits than its factorization.

34640342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 34640342 is about 5885.6046418359. The cubic root of 34640342 is about 325.9823280721.

Adding to 34640342 its reverse (24304643), we get a palindrome (58944985).

The spelling of 34640342 in words is "thirty-four million, six hundred forty thousand, three hundred forty-two".