34807820 has 48 divisors (see below), whose sum is σ = 75286848. Its totient is φ = 13512960.

The previous prime is 34807819. The next prime is 34807831. The reversal of 34807820 is 2870843.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 125522 + ... + 125798.

It is an arithmetic number, because the mean of its divisors is an integer number (1568476).

Almost surely, 2^34807820 is an apocalyptic number.

It is an amenable number.

34807820 is an abundant number, since it is smaller than the sum of its proper divisors (40479028).

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

34807820 is a wasteful number, since it uses less digits than its factorization.

34807820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

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

The square root of 34807820 is about 5899.8152513447. The cubic root of 34807820 is about 326.5068332806.

The spelling of 34807820 in words is "thirty-four million, eight hundred seven thousand, eight hundred twenty".