84070064 has 30 divisors (see below), whose sum is σ = 176384916. Its totient is φ = 38800320.

The previous prime is 84070061. The next prime is 84070067. The reversal of 84070064 is 46007048.

It is an interprime number because it is at equal distance from previous prime (84070061) and next prime (84070067).

It is not an unprimeable number, because it can be changed into a prime (84070061) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12842 + ... + 18249.

Almost surely, 2^84070064 is an apocalyptic number.

It is an amenable number.

84070064 is an abundant number, since it is smaller than the sum of its proper divisors (92314852).

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

84070064 is a wasteful number, since it uses less digits than its factorization.

84070064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31125 (or 31106 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 84070064 is about 9168.9728977678. The cubic root of 84070064 is about 438.0736446854.

The spelling of 84070064 in words is "eighty-four million, seventy thousand, sixty-four".