84670573 has 4 divisors (see below), whose sum is σ = 91183708. Its totient is φ = 78157440.

The previous prime is 84670559. The next prime is 84670601. The reversal of 84670573 is 37507648.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6135529 + 78535044 = 2477^2 + 8862^2 .

It is a cyclic number.

It is not a de Polignac number, because 84670573 - 2¹⁷ = 84539501 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 (84670073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3256548 + ... + 3256573.

It is an arithmetic number, because the mean of its divisors is an integer number (22795927).

Almost surely, 2^84670573 is an apocalyptic number.

It is an amenable number.

84670573 is a deficient number, since it is larger than the sum of its proper divisors (6513135).

84670573 is a wasteful number, since it uses less digits than its factorization.

84670573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513134.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 84670573 is about 9201.6614260687. The cubic root of 84670573 is about 439.1142183383.

The spelling of 84670573 in words is "eighty-four million, six hundred seventy thousand, five hundred seventy-three".