39072944 has 10 divisors (see below), whose sum is σ = 75703860. Its totient is φ = 19536464.

The previous prime is 39072941. The next prime is 39072973. The reversal of 39072944 is 44927093.

It is a junction number, because it is equal to n+sod(n) for n = 39072898 and 39072907.

It is not an unprimeable number, because it can be changed into a prime (39072941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221014 + ... + 1221045.

It is an arithmetic number, because the mean of its divisors is an integer number (7570386).

Almost surely, 2^39072944 is an apocalyptic number.

It is an amenable number.

39072944 is a deficient number, since it is larger than the sum of its proper divisors (36630916).

39072944 is a wasteful number, since it uses less digits than its factorization.

39072944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442067 (or 2442061 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 39072944 is about 6250.8354641600. The cubic root of 39072944 is about 339.3324387159.

The spelling of 39072944 in words is "thirty-nine million, seventy-two thousand, nine hundred forty-four".