84064070 has 32 divisors (see below), whose sum is σ = 153822240. Its totient is φ = 33073920.

The previous prime is 84064061. The next prime is 84064073. The reversal of 84064070 is 7046048.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84064073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253805 + ... + 254135.

It is an arithmetic number, because the mean of its divisors is an integer number (4806945).

Almost surely, 2^84064070 is an apocalyptic number.

84064070 is a deficient number, since it is larger than the sum of its proper divisors (69758170).

84064070 is a wasteful number, since it uses less digits than its factorization.

84064070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

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

The square root of 84064070 is about 9168.6460287220. The cubic root of 84064070 is about 438.0632332273.

The spelling of 84064070 in words is "eighty-four million, sixty-four thousand, seventy".