82770723 has 24 divisors (see below), whose sum is σ = 136936800. Its totient is φ = 47193984.

The previous prime is 82770691. The next prime is 82770731. The reversal of 82770723 is 32707728.

It is not a de Polignac number, because 82770723 - 2⁵ = 82770691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82770733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34693 + ... + 37001.

It is an arithmetic number, because the mean of its divisors is an integer number (5705700).

Almost surely, 2^82770723 is an apocalyptic number.

82770723 is a deficient number, since it is larger than the sum of its proper divisors (54166077).

82770723 is a wasteful number, since it uses less digits than its factorization.

82770723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 82770723 is about 9097.8416671208. The cubic root of 82770723 is about 435.8050411225.

The spelling of 82770723 in words is "eighty-two million, seven hundred seventy thousand, seven hundred twenty-three".