72873063 has 6 divisors (see below), whose sum is σ = 105261104. Its totient is φ = 48582036.

The previous prime is 72873043. The next prime is 72873079. The reversal of 72873063 is 36037827.

It is a de Polignac number, because none of the positive numbers 2^k-72873063 is a prime.

It is a super-2 number, since 2×72873063² = 10620966622003938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72873043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4048495 + ... + 4048512.

Almost surely, 2^72873063 is an apocalyptic number.

72873063 is a deficient number, since it is larger than the sum of its proper divisors (32388041).

72873063 is a wasteful number, since it uses less digits than its factorization.

72873063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8097013 (or 8097010 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 72873063 is about 8536.5720872022. The cubic root of 72873063 is about 417.6915358147.

The spelling of 72873063 in words is "seventy-two million, eight hundred seventy-three thousand, sixty-three".