39127972 has 24 divisors (see below), whose sum is σ = 73918656. Its totient is φ = 18015648.

The previous prime is 39127969. The next prime is 39128009. The reversal of 39127972 is 27972193.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33063 + ... + 34225.

It is an arithmetic number, because the mean of its divisors is an integer number (3079944).

Almost surely, 2^39127972 is an apocalyptic number.

It is an amenable number.

39127972 is a deficient number, since it is larger than the sum of its proper divisors (34790684).

39127972 is a wasteful number, since it uses less digits than its factorization.

39127972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1825 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 39127972 is about 6255.2355671070. The cubic root of 39127972 is about 339.4916625035.

The spelling of 39127972 in words is "thirty-nine million, one hundred twenty-seven thousand, nine hundred seventy-two".