39020072 has 144 divisors (see below), whose sum is σ = 100137600. Its totient is φ = 14152320.

The previous prime is 39020071. The next prime is 39020077. The reversal of 39020072 is 27002093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39020071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1258697 + ... + 1258727.

It is an arithmetic number, because the mean of its divisors is an integer number (695400).

Almost surely, 2^39020072 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 39020072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50068800).

39020072 is an abundant number, since it is smaller than the sum of its proper divisors (61117528).

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

39020072 is a wasteful number, since it uses less digits than its factorization.

39020072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 39020072 is about 6246.6048378299. The cubic root of 39020072 is about 339.1793124398.

The spelling of 39020072 in words is "thirty-nine million, twenty thousand, seventy-two".