84485720 has 32 divisors (see below), whose sum is σ = 207375120. Its totient is φ = 30721920.

The previous prime is 84485719. The next prime is 84485749. The reversal of 84485720 is 2758448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95567 + ... + 96446.

Almost surely, 2^84485720 is an apocalyptic number.

It is an amenable number.

84485720 is an abundant number, since it is smaller than the sum of its proper divisors (122889400).

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

84485720 is a wasteful number, since it uses less digits than its factorization.

84485720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192035 (or 192031 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 84485720 is about 9191.6113930039. The cubic root of 84485720 is about 438.7944270941.

The spelling of 84485720 in words is "eighty-four million, four hundred eighty-five thousand, seven hundred twenty".