34347072 has 84 divisors (see below), whose sum is σ = 96692720. Its totient is φ = 10758144.

The previous prime is 34347043. The next prime is 34347077. The reversal of 34347072 is 27074343.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (34347077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55179 + ... + 55797.

Almost surely, 2^34347072 is an apocalyptic number.

34347072 is a gapful number since it is divisible by the number (32) 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 34347072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48346360).

34347072 is an abundant number, since it is smaller than the sum of its proper divisors (62345648).

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

34347072 is a wasteful number, since it uses less digits than its factorization.

34347072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 34347072 is about 5860.6375079849. The cubic root of 34347072 is about 325.0597822965.

The spelling of 34347072 in words is "thirty-four million, three hundred forty-seven thousand, seventy-two".