32440734 has 36 divisors (see below), whose sum is σ = 72829536. Its totient is φ = 10435824.

The previous prime is 32440711. The next prime is 32440739. The reversal of 32440734 is 43704423.

It is a junction number, because it is equal to n+sod(n) for n = 32440698 and 32440707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32440739) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14067 + ... + 16209.

Almost surely, 2^32440734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32440734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36414768).

32440734 is an abundant number, since it is smaller than the sum of its proper divisors (40388802).

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

32440734 is a wasteful number, since it uses less digits than its factorization.

32440734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 32440734 is about 5695.6767815599. The cubic root of 32440734 is about 318.9311146024.

The spelling of 32440734 in words is "thirty-two million, four hundred forty thousand, seven hundred thirty-four".