34640680 has 32 divisors (see below), whose sum is σ = 79224840. Its totient is φ = 13628160.

The previous prime is 34640657. The next prime is 34640681. The reversal of 34640680 is 8604643.

It can be written as a sum of positive squares in 4 ways, for example, as 28793956 + 5846724 = 5366^2 + 2418^2 .

It is not an unprimeable number, because it can be changed into a prime (34640681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4659 + ... + 9538.

Almost surely, 2^34640680 is an apocalyptic number.

It is an amenable number.

34640680 is an abundant number, since it is smaller than the sum of its proper divisors (44584160).

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

34640680 is a wasteful number, since it uses less digits than its factorization.

34640680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14269 (or 14265 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 34640680 is about 5885.6333558930. The cubic root of 34640680 is about 325.9833883164.

The spelling of 34640680 in words is "thirty-four million, six hundred forty thousand, six hundred eighty".