34407020 has 24 divisors (see below), whose sum is σ = 72384144. Its totient is φ = 13738176.

The previous prime is 34407013. The next prime is 34407029. The reversal of 34407020 is 2070443.

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 = 34406983 and 34407001.

It is not an unprimeable number, because it can be changed into a prime (34407029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13487 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (3016006).

Almost surely, 2^34407020 is an apocalyptic number.

It is an amenable number.

34407020 is an abundant number, since it is smaller than the sum of its proper divisors (37977124).

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

34407020 is a wasteful number, since it uses less digits than its factorization.

34407020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3087 counting only the distinct ones).

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

The square root of 34407020 is about 5865.7497389507. The cubic root of 34407020 is about 325.2487878078.

Adding to 34407020 its reverse (2070443), we get a palindrome (36477463).

The spelling of 34407020 in words is "thirty-four million, four hundred seven thousand, twenty".