72884444 has 12 divisors (see below), whose sum is σ = 127767024. Its totient is φ = 36379584.

The previous prime is 72884443. The next prime is 72884459. The reversal of 72884444 is 44448827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72884443) 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, 12992 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (10647252).

Almost surely, 2^72884444 is an apocalyptic number.

It is an amenable number.

72884444 is a deficient number, since it is larger than the sum of its proper divisors (54882580).

72884444 is a wasteful number, since it uses less digits than its factorization.

72884444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324 (or 31322 counting only the distinct ones).

The product of its digits is 229376, while the sum is 41.

The square root of 72884444 is about 8537.2386636429. The cubic root of 72884444 is about 417.7132791024.

The spelling of 72884444 in words is "seventy-two million, eight hundred eighty-four thousand, four hundred forty-four".