72286473 has 24 divisors (see below), whose sum is σ = 114107968. Its totient is φ = 39872448.

The previous prime is 72286471. The next prime is 72286481. The reversal of 72286473 is 37468227.

It is not a de Polignac number, because 72286473 - 2¹ = 72286471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72286471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15615 + ... + 19707.

Almost surely, 2^72286473 is an apocalyptic number.

It is an amenable number.

72286473 is a deficient number, since it is larger than the sum of its proper divisors (41821495).

72286473 is a wasteful number, since it uses less digits than its factorization.

72286473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161 (or 4132 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 72286473 is about 8502.1451998893. The cubic root of 72286473 is about 416.5677824722.

The spelling of 72286473 in words is "seventy-two million, two hundred eighty-six thousand, four hundred seventy-three".