72027489 has 4 divisors (see below), whose sum is σ = 96036656. Its totient is φ = 48018324.

The previous prime is 72027469. The next prime is 72027497. The reversal of 72027489 is 98472027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72027489 - 2⁵ = 72027457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72027409) 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, 12004579 + ... + 12004584.

It is an arithmetic number, because the mean of its divisors is an integer number (24009164).

Almost surely, 2^72027489 is an apocalyptic number.

It is an amenable number.

72027489 is a deficient number, since it is larger than the sum of its proper divisors (24009167).

72027489 is a wasteful number, since it uses less digits than its factorization.

72027489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009166.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 72027489 is about 8486.9010245201. The cubic root of 72027489 is about 416.0697017853.

The spelling of 72027489 in words is "seventy-two million, twenty-seven thousand, four hundred eighty-nine".