84755530 has 32 divisors (see below), whose sum is σ = 157350096. Its totient is φ = 32845824.

The previous prime is 84755513. The next prime is 84755543. The reversal of 84755530 is 3555748.

It can be written as a sum of positive squares in 8 ways, for example, as 81703521 + 3052009 = 9039^2 + 1747^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 84755530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146602 + ... + 147178.

Almost surely, 2^84755530 is an apocalyptic number.

84755530 is a deficient number, since it is larger than the sum of its proper divisors (72594566).

84755530 is a wasteful number, since it uses less digits than its factorization.

84755530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 84755530 is about 9206.2766632336. The cubic root of 84755530 is about 439.2610358017.

The spelling of 84755530 in words is "eighty-four million, seven hundred fifty-five thousand, five hundred thirty".