39213072 has 100 divisors (see below), whose sum is σ = 115230720. Its totient is φ = 12871872.

The previous prime is 39213071. The next prime is 39213089. The reversal of 39213072 is 27031293.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (39213071) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102193 + ... + 102575.

Almost surely, 2^39213072 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 39213072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57615360).

39213072 is an abundant number, since it is smaller than the sum of its proper divisors (76017648).

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

39213072 is a wasteful number, since it uses less digits than its factorization.

39213072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 39213072 is about 6262.0341742919. The cubic root of 39213072 is about 339.7376060856.

The spelling of 39213072 in words is "thirty-nine million, two hundred thirteen thousand, seventy-two".