34455420 has 72 divisors (see below), whose sum is σ = 106111824. Its totient is φ = 9047808.

The previous prime is 34455419. The next prime is 34455431. The reversal of 34455420 is 2455443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10632 + ... + 13488.

Almost surely, 2^34455420 is an apocalyptic number.

34455420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34455420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53055912).

34455420 is an abundant number, since it is smaller than the sum of its proper divisors (71656404).

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

34455420 is a wasteful number, since it uses less digits than its factorization.

34455420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 34455420 is about 5869.8739339103. The cubic root of 34455420 is about 325.4012243911.

The spelling of 34455420 in words is "thirty-four million, four hundred fifty-five thousand, four hundred twenty".