34809732 has 18 divisors (see below), whose sum is σ = 87991358. Its totient is φ = 11603232.

The previous prime is 34809641. The next prime is 34809737. The reversal of 34809732 is 23790843.

It can be written as a sum of positive squares in only one way, i.e., 28579716 + 6230016 = 5346^2 + 2496^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 966937 = 34809732 / (3 + 4 + 8 + 0 + 9 + 7 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (34809737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 483433 + ... + 483504.

Almost surely, 2^34809732 is an apocalyptic number.

It is an amenable number.

34809732 is an abundant number, since it is smaller than the sum of its proper divisors (53181626).

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

34809732 is a wasteful number, since it uses less digits than its factorization.

34809732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966947 (or 966942 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 34809732 is about 5899.9772880919. The cubic root of 34809732 is about 326.5128115314.

The spelling of 34809732 in words is "thirty-four million, eight hundred nine thousand, seven hundred thirty-two".