84527940 has 72 divisors (see below), whose sum is σ = 275329152. Its totient is φ = 19320000.

The previous prime is 84527923. The next prime is 84527969. The reversal of 84527940 is 4972548.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11436 + ... + 17315.

It is an arithmetic number, because the mean of its divisors is an integer number (3824016).

Almost surely, 2^84527940 is an apocalyptic number.

It is an amenable number.

84527940 is an abundant number, since it is smaller than the sum of its proper divisors (190801212).

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

84527940 is a wasteful number, since it uses less digits than its factorization.

84527940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28777 (or 28768 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 84527940 is about 9193.9077654717. The cubic root of 84527940 is about 438.8675077503.

The spelling of 84527940 in words is "eighty-four million, five hundred twenty-seven thousand, nine hundred forty".