84100473 has 6 divisors (see below), whose sum is σ = 121478474. Its totient is φ = 56066976.

The previous prime is 84100439. The next prime is 84100481. The reversal of 84100473 is 37400148.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 36324729 = 6912^2 + 6027^2 .

It is not a de Polignac number, because 84100473 - 2⁶ = 84100409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84100433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4672240 + ... + 4672257.

Almost surely, 2^84100473 is an apocalyptic number.

It is an amenable number.

84100473 is a deficient number, since it is larger than the sum of its proper divisors (37378001).

84100473 is a wasteful number, since it uses less digits than its factorization.

84100473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344503 (or 9344500 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 84100473 is about 9170.6310033716. The cubic root of 84100473 is about 438.1264568875.

The spelling of 84100473 in words is "eighty-four million, one hundred thousand, four hundred seventy-three".