84047066 has 8 divisors (see below), whose sum is σ = 127227540. Its totient is φ = 41637888.

The previous prime is 84047059. The next prime is 84047071. The reversal of 84047066 is 66074048.

It can be written as a sum of positive squares in 2 ways, for example, as 79299025 + 4748041 = 8905^2 + 2179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192551 + ... + 192986.

Almost surely, 2^84047066 is an apocalyptic number.

84047066 is a deficient number, since it is larger than the sum of its proper divisors (43180474).

84047066 is a wasteful number, since it uses less digits than its factorization.

84047066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385648.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 84047066 is about 9167.7186911467. The cubic root of 84047066 is about 438.0336949259.

The spelling of 84047066 in words is "eighty-four million, forty-seven thousand, sixty-six".