72048959 has 4 divisors (see below), whose sum is σ = 72358416. Its totient is φ = 71739504.

The previous prime is 72048947. The next prime is 72048961. The reversal of 72048959 is 95984027.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72048959 - 2²⁰ = 71000383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72048659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154379 + ... + 154844.

It is an arithmetic number, because the mean of its divisors is an integer number (18089604).

Almost surely, 2^72048959 is an apocalyptic number.

72048959 is a deficient number, since it is larger than the sum of its proper divisors (309457).

72048959 is a wasteful number, since it uses less digits than its factorization.

72048959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309456.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 72048959 is about 8488.1658207177. The cubic root of 72048959 is about 416.1110384526. Note that the first 3 decimals are identical.

The spelling of 72048959 in words is "seventy-two million, forty-eight thousand, nine hundred fifty-nine".