34689732 has 72 divisors (see below), whose sum is σ = 101709888. Its totient is φ = 9007680.

The previous prime is 34689703. The next prime is 34689737. The reversal of 34689732 is 23798643.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (34689737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8458 + ... + 11870.

Almost surely, 2^34689732 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 34689732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50854944).

34689732 is an abundant number, since it is smaller than the sum of its proper divisors (67020156).

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

34689732 is a wasteful number, since it uses less digits than its factorization.

34689732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449 (or 3436 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 34689732 is about 5889.7989778939. The cubic root of 34689732 is about 326.1371824069.

The spelling of 34689732 in words is "thirty-four million, six hundred eighty-nine thousand, seven hundred thirty-two".