34407420 has 24 divisors (see below), whose sum is σ = 96340944. Its totient is φ = 9175296.

The previous prime is 34407419. The next prime is 34407421. The reversal of 34407420 is 2470443.

It is an interprime number because it is at equal distance from previous prime (34407419) and next prime (34407421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34407421) 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, 286669 + ... + 286788.

It is an arithmetic number, because the mean of its divisors is an integer number (4014206).

Almost surely, 2^34407420 is an apocalyptic number.

34407420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34407420 is an abundant number, since it is smaller than the sum of its proper divisors (61933524).

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

34407420 is a wasteful number, since it uses less digits than its factorization.

34407420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573469 (or 573467 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 34407420 is about 5865.7838350897. The cubic root of 34407420 is about 325.2500482000.

Adding to 34407420 its reverse (2470443), we get a palindrome (36877863).

The spelling of 34407420 in words is "thirty-four million, four hundred seven thousand, four hundred twenty".