72027944 has 16 divisors (see below), whose sum is σ = 135148020. Its totient is φ = 35988480.

The previous prime is 72027931. The next prime is 72027947. The reversal of 72027944 is 44972027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71605444 + 422500 = 8462^2 + 650^2 .

It is not an unprimeable number, because it can be changed into a prime (72027947) 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 3 ways as a sum of consecutive naturals, for example, 14774 + ... + 19034.

Almost surely, 2^72027944 is an apocalyptic number.

It is an amenable number.

72027944 is a deficient number, since it is larger than the sum of its proper divisors (63120076).

72027944 is a wasteful number, since it uses less digits than its factorization.

72027944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 72027944 is about 8486.9278304932. The cubic root of 72027944 is about 416.0705778921.

The spelling of 72027944 in words is "seventy-two million, twenty-seven thousand, nine hundred forty-four".