84534740 has 24 divisors (see below), whose sum is σ = 179773440. Its totient is φ = 33385248.

The previous prime is 84534733. The next prime is 84534763. The reversal of 84534740 is 4743548.

It is a super-2 number, since 2×84534740² = 14292244533735200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84534740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25172 + ... + 28331.

It is an arithmetic number, because the mean of its divisors is an integer number (7490560).

Almost surely, 2^84534740 is an apocalyptic number.

It is an amenable number.

84534740 is an abundant number, since it is smaller than the sum of its proper divisors (95238700).

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

84534740 is a wasteful number, since it uses less digits than its factorization.

84534740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53591 (or 53589 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 84534740 is about 9194.2775681399. The cubic root of 84534740 is about 438.8792759263.

The spelling of 84534740 in words is "eighty-four million, five hundred thirty-four thousand, seven hundred forty".