72028984 has 16 divisors (see below), whose sum is σ = 135963000. Its totient is φ = 35772192.

The previous prime is 72028933. The next prime is 72028987. The reversal of 72028984 is 48982027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72028987) 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, 29022 + ... + 31405.

Almost surely, 2^72028984 is an apocalyptic number.

It is an amenable number.

72028984 is a deficient number, since it is larger than the sum of its proper divisors (63934016).

72028984 is a wasteful number, since it uses less digits than its factorization.

72028984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60582 (or 60578 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 72028984 is about 8486.9891009710. The cubic root of 72028984 is about 416.0725804080.

The spelling of 72028984 in words is "seventy-two million, twenty-eight thousand, nine hundred eighty-four".