84545472 has 56 divisors (see below), whose sum is σ = 244035072. Its totient is φ = 25619200.

The previous prime is 84545467. The next prime is 84545473. The reversal of 84545472 is 27454548.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 84545472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84545473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17904 + ... + 22127.

Almost surely, 2^84545472 is an apocalyptic number.

It is an amenable number.

84545472 is an abundant number, since it is smaller than the sum of its proper divisors (159489600).

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

84545472 is a wasteful number, since it uses less digits than its factorization.

84545472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40057 (or 40047 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 84545472 is about 9194.8611735034. The cubic root of 84545472 is about 438.8978475932.

The spelling of 84545472 in words is "eighty-four million, five hundred forty-five thousand, four hundred seventy-two".