34270290 has 64 divisors (see below), whose sum is σ = 92574720. Its totient is φ = 9132912.

The previous prime is 34270289. The next prime is 34270297. The reversal of 34270290 is 9207243.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34270297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21087 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (1446480).

Almost surely, 2^34270290 is an apocalyptic number.

34270290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34270290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46287360).

34270290 is an abundant number, since it is smaller than the sum of its proper divisors (58304430).

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

34270290 is an equidigital number, since it uses as much as digits as its factorization.

34270290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 34270290 is about 5854.0831903894. The cubic root of 34270290 is about 324.8173806391.

The spelling of 34270290 in words is "thirty-four million, two hundred seventy thousand, two hundred ninety".