34679840 has 48 divisors (see below), whose sum is σ = 88238808. Its totient is φ = 12804096.

The previous prime is 34679839. The next prime is 34679849. The reversal of 34679840 is 4897643.

It can be written as a sum of positive squares in 4 ways, for example, as 29463184 + 5216656 = 5428^2 + 2284^2 .

It is not an unprimeable number, because it can be changed into a prime (34679849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257 + ... + 10416.

Almost surely, 2^34679840 is an apocalyptic number.

It is an amenable number.

34679840 is an abundant number, since it is smaller than the sum of its proper divisors (53558968).

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

34679840 is a wasteful number, since it uses less digits than its factorization.

34679840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701 (or 16693 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 34679840 is about 5888.9591610063. The cubic root of 34679840 is about 326.1061794220.

The spelling of 34679840 in words is "thirty-four million, six hundred seventy-nine thousand, eight hundred forty".