34640745 has 16 divisors (see below), whose sum is σ = 55936320. Its totient is φ = 18304704.

The previous prime is 34640731. The next prime is 34640779. The reversal of 34640745 is 54704643.

It is a happy number.

It is not a de Polignac number, because 34640745 - 2⁶ = 34640681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8959 + ... + 12228.

It is an arithmetic number, because the mean of its divisors is an integer number (3496020).

Almost surely, 2^34640745 is an apocalyptic number.

It is an amenable number.

34640745 is a deficient number, since it is larger than the sum of its proper divisors (21295575).

34640745 is a wasteful number, since it uses less digits than its factorization.

34640745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21304.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 34640745 is about 5885.6388778110. The cubic root of 34640745 is about 325.9835922087.

The spelling of 34640745 in words is "thirty-four million, six hundred forty thousand, seven hundred forty-five".