84533720 has 16 divisors (see below), whose sum is σ = 190200960. Its totient is φ = 33813472.

The previous prime is 84533693. The next prime is 84533749. The reversal of 84533720 is 2733548.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056632 + ... + 1056711.

It is an arithmetic number, because the mean of its divisors is an integer number (11887560).

Almost surely, 2^84533720 is an apocalyptic number.

It is an amenable number.

84533720 is an abundant number, since it is smaller than the sum of its proper divisors (105667240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84533720 is a wasteful number, since it uses less digits than its factorization.

84533720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113354 (or 2113350 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 84533720 is about 9194.2220986878. Note that the first 3 decimals coincide. The cubic root of 84533720 is about 438.8775107402.

The spelling of 84533720 in words is "eighty-four million, five hundred thirty-three thousand, seven hundred twenty".