34047020 has 48 divisors (see below), whose sum is σ = 82286400. Its totient is φ = 11591424.

The previous prime is 34047019. The next prime is 34047037. The reversal of 34047020 is 2074043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34046983 and 34047001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21206 + ... + 22754.

It is an arithmetic number, because the mean of its divisors is an integer number (1714300).

Almost surely, 2^34047020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34047020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41143200).

34047020 is an abundant number, since it is smaller than the sum of its proper divisors (48239380).

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

34047020 is a wasteful number, since it uses less digits than its factorization.

34047020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 34047020 is about 5834.9824335640. The cubic root of 34047020 is about 324.1104510898.

The spelling of 34047020 in words is "thirty-four million, forty-seven thousand, twenty".