84734471 has 4 divisors (see below), whose sum is σ = 89194200. Its totient is φ = 80274744.

The previous prime is 84734459. The next prime is 84734513. The reversal of 84734471 is 17443748.

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

It is a cyclic number.

It is not a de Polignac number, because 84734471 - 2⁶ = 84734407 is a prime.

It is a super-3 number, since 3×84734471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84734401) 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, 2229836 + ... + 2229873.

It is an arithmetic number, because the mean of its divisors is an integer number (22298550).

Almost surely, 2^84734471 is an apocalyptic number.

84734471 is a deficient number, since it is larger than the sum of its proper divisors (4459729).

84734471 is a wasteful number, since it uses less digits than its factorization.

84734471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459728.

The product of its digits is 75264, while the sum is 38.

The square root of 84734471 is about 9205.1328616158. The cubic root of 84734471 is about 439.2246520818.

The spelling of 84734471 in words is "eighty-four million, seven hundred thirty-four thousand, four hundred seventy-one".