84739766 has 4 divisors (see below), whose sum is σ = 127109652. Its totient is φ = 42369882.

The previous prime is 84739757. The next prime is 84739789. The reversal of 84739766 is 66793748.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21184940 + ... + 21184943.

It is an arithmetic number, because the mean of its divisors is an integer number (31777413).

Almost surely, 2^84739766 is an apocalyptic number.

84739766 is a deficient number, since it is larger than the sum of its proper divisors (42369886).

84739766 is a wasteful number, since it uses less digits than its factorization.

84739766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42369885.

The product of its digits is 1524096, while the sum is 50.

The square root of 84739766 is about 9205.4204683980. The cubic root of 84739766 is about 439.2338008421.

The spelling of 84739766 in words is "eighty-four million, seven hundred thirty-nine thousand, seven hundred sixty-six".