72858473 has 8 divisors (see below), whose sum is σ = 73522176. Its totient is φ = 72198000.

The previous prime is 72858437. The next prime is 72858493. The reversal of 72858473 is 37485827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72858473 - 2²⁴ = 56081257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72858493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68798 + ... + 69848.

It is an arithmetic number, because the mean of its divisors is an integer number (9190272).

Almost surely, 2^72858473 is an apocalyptic number.

It is an amenable number.

72858473 is a deficient number, since it is larger than the sum of its proper divisors (663703).

72858473 is a wasteful number, since it uses less digits than its factorization.

72858473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its digits is 376320, while the sum is 44.

The square root of 72858473 is about 8535.7174859528. The cubic root of 72858473 is about 417.6636584528.

The spelling of 72858473 in words is "seventy-two million, eight hundred fifty-eight thousand, four hundred seventy-three".