39730752 has 84 divisors (see below), whose sum is σ = 118872000. Its totient is φ = 12663552.

The previous prime is 39730723. The next prime is 39730771. The reversal of 39730752 is 25703793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11749 + ... + 14747.

Almost surely, 2^39730752 is an apocalyptic number.

39730752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39730752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59436000).

39730752 is an abundant number, since it is smaller than the sum of its proper divisors (79141248).

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

39730752 is a wasteful number, since it uses less digits than its factorization.

39730752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040 (or 3027 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 39730752 is about 6303.2334559335. The cubic root of 39730752 is about 341.2261151419.

The spelling of 39730752 in words is "thirty-nine million, seven hundred thirty thousand, seven hundred fifty-two".