84723766 has 8 divisors (see below), whose sum is σ = 132611184. Its totient is φ = 40520040.

The previous prime is 84723763. The next prime is 84723773. The reversal of 84723766 is 66732748.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84723763) 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 3 ways as a sum of consecutive naturals, for example, 920865 + ... + 920956.

It is an arithmetic number, because the mean of its divisors is an integer number (16576398).

Almost surely, 2^84723766 is an apocalyptic number.

84723766 is a deficient number, since it is larger than the sum of its proper divisors (47887418).

84723766 is a wasteful number, since it uses less digits than its factorization.

84723766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841846.

The product of its digits is 338688, while the sum is 43.

The square root of 84723766 is about 9204.5513741844. The cubic root of 84723766 is about 439.2061546987.

The spelling of 84723766 in words is "eighty-four million, seven hundred twenty-three thousand, seven hundred sixty-six".