34169072 has 60 divisors (see below), whose sum is σ = 78963696. Its totient is φ = 14273280.

The previous prime is 34169071. The next prime is 34169081. The reversal of 34169072 is 27096143.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34169071) 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, 31613 + ... + 32675.

Almost surely, 2^34169072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34169072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39481848).

34169072 is an abundant number, since it is smaller than the sum of its proper divisors (44794624).

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

34169072 is a wasteful number, since it uses less digits than its factorization.

34169072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 34169072 is about 5845.4317205832. The cubic root of 34169072 is about 324.4972803730.

The spelling of 34169072 in words is "thirty-four million, one hundred sixty-nine thousand, seventy-two".