84427070 has 96 divisors (see below), whose sum is σ = 198168768. Its totient is φ = 25214976.

The previous prime is 84427067. The next prime is 84427093. The reversal of 84427070 is 7072448.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328382 + ... + 328638.

It is an arithmetic number, because the mean of its divisors is an integer number (2064258).

Almost surely, 2^84427070 is an apocalyptic number.

84427070 is an abundant number, since it is smaller than the sum of its proper divisors (113741698).

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

84427070 is a wasteful number, since it uses less digits than its factorization.

84427070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 84427070 is about 9188.4204300848. The cubic root of 84427070 is about 438.6928665361.

The spelling of 84427070 in words is "eighty-four million, four hundred twenty-seven thousand, seventy".