39707472 has 80 divisors (see below), whose sum is σ = 119278080. Its totient is φ = 11147136.

The previous prime is 39707471. The next prime is 39707489. The reversal of 39707472 is 27470793.

39707472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39707472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39707471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18823 + ... + 20825.

It is an arithmetic number, because the mean of its divisors is an integer number (1490976).

Almost surely, 2^39707472 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 39707472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59639040).

39707472 is an abundant number, since it is smaller than the sum of its proper divisors (79570608).

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

39707472 is a wasteful number, since it uses less digits than its factorization.

39707472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 39707472 is about 6301.3865140935. The cubic root of 39707472 is about 341.1594556435.

The spelling of 39707472 in words is "thirty-nine million, seven hundred seven thousand, four hundred seventy-two".