82667473 has 8 divisors (see below), whose sum is σ = 94563392. Its totient is φ = 70793136.

The previous prime is 82667467. The next prime is 82667477. The reversal of 82667473 is 37476628.

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 82667473 - 2⁵ = 82667441 is a prime.

It is a super-2 number, since 2×82667473² = 13667822184411458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82667477) 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, 3886 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (11820424).

Almost surely, 2^82667473 is an apocalyptic number.

It is an amenable number.

82667473 is a deficient number, since it is larger than the sum of its proper divisors (11895919).

82667473 is a wasteful number, since it uses less digits than its factorization.

82667473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10791.

The product of its digits is 338688, while the sum is 43.

The square root of 82667473 is about 9092.1654736372. The cubic root of 82667473 is about 435.6237548260.

The spelling of 82667473 in words is "eighty-two million, six hundred sixty-seven thousand, four hundred seventy-three".