34878020 has 24 divisors (see below), whose sum is σ = 73410624. Its totient is φ = 13919456.

The previous prime is 34878017. The next prime is 34878037. The reversal of 34878020 is 2087843.

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, 8327 + ... + 11793.

It is an arithmetic number, because the mean of its divisors is an integer number (3058776).

Almost surely, 2^34878020 is an apocalyptic number.

It is an amenable number.

34878020 is an abundant number, since it is smaller than the sum of its proper divisors (38532604).

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

34878020 is a wasteful number, since it uses less digits than its factorization.

34878020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 34878020 is about 5905.7615935627. The cubic root of 34878020 is about 326.7261842593.

The spelling of 34878020 in words is "thirty-four million, eight hundred seventy-eight thousand, twenty".