84061975 has 12 divisors (see below), whose sum is σ = 106205256. Its totient is φ = 65979680.

The previous prime is 84061963. The next prime is 84061979. The reversal of 84061975 is 57916048.

It is not a de Polignac number, because 84061975 - 2⁷ = 84061847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84061979) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30397 + ... + 33046.

It is an arithmetic number, because the mean of its divisors is an integer number (8850438).

Almost surely, 2^84061975 is an apocalyptic number.

84061975 is a deficient number, since it is larger than the sum of its proper divisors (22143281).

84061975 is a wasteful number, since it uses less digits than its factorization.

84061975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63506 (or 63501 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 84061975 is about 9168.5317799526. The cubic root of 84061975 is about 438.0595941375.

The spelling of 84061975 in words is "eighty-four million, sixty-one thousand, nine hundred seventy-five".