84729873 has 16 divisors (see below), whose sum is σ = 119228480. Its totient is φ = 53374464.

The previous prime is 84729863. The next prime is 84729877. The reversal of 84729873 is 37892748.

It is not a de Polignac number, because 84729873 - 2⁴ = 84729857 is a prime.

It is a super-2 number, since 2×84729873² = 14358302757192258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84729877) 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, 22965 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (7451780).

Almost surely, 2^84729873 is an apocalyptic number.

It is an amenable number.

84729873 is a deficient number, since it is larger than the sum of its proper divisors (34498607).

84729873 is a wasteful number, since it uses less digits than its factorization.

84729873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888.

The product of its digits is 677376, while the sum is 48.

The square root of 84729873 is about 9204.8831062648. The cubic root of 84729873 is about 439.2167072967.

The spelling of 84729873 in words is "eighty-four million, seven hundred twenty-nine thousand, eight hundred seventy-three".