34422720 has 112 divisors (see below), whose sum is σ = 114117120. Its totient is φ = 8774656.

The previous prime is 34422709. The next prime is 34422779. The reversal of 34422720 is 2722443.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 21301 + ... + 22859.

Almost surely, 2^34422720 is an apocalyptic number.

34422720 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 34422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57058560).

34422720 is an abundant number, since it is smaller than the sum of its proper divisors (79694400).

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

34422720 is a wasteful number, since it uses less digits than its factorization.

34422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1592 counting only the distinct ones).

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

The square root of 34422720 is about 5867.0878636680. The cubic root of 34422720 is about 325.2982508678.

The spelling of 34422720 in words is "thirty-four million, four hundred twenty-two thousand, seven hundred twenty".