72473063 has 16 divisors (see below), whose sum is σ = 80724000. Its totient is φ = 64644480.

The previous prime is 72473041. The next prime is 72473077. The reversal of 72473063 is 36037427.

It is a cyclic number.

It is not a de Polignac number, because 72473063 - 2¹⁴ = 72456679 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 (72473003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46013 + ... + 47561.

It is an arithmetic number, because the mean of its divisors is an integer number (5045250).

Almost surely, 2^72473063 is an apocalyptic number.

72473063 is a deficient number, since it is larger than the sum of its proper divisors (8250937).

72473063 is a wasteful number, since it uses less digits than its factorization.

72473063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 72473063 is about 8513.1112409036. Note that the first 3 decimals coincide. The cubic root of 72473063 is about 416.9258974229.

The spelling of 72473063 in words is "seventy-two million, four hundred seventy-three thousand, sixty-three".