82723378 has 16 divisors (see below), whose sum is σ = 132459840. Its totient is φ = 38631600.

The previous prime is 82723373. The next prime is 82723393. The reversal of 82723378 is 87332728.

It is a self number, because there is not a number n which added to its sum of digits gives 82723378.

It is not an unprimeable number, because it can be changed into a prime (82723373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12633 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (8278740).

Almost surely, 2^82723378 is an apocalyptic number.

82723378 is a deficient number, since it is larger than the sum of its proper divisors (49736462).

82723378 is a wasteful number, since it uses less digits than its factorization.

82723378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30753.

The product of its digits is 112896, while the sum is 40.

The square root of 82723378 is about 9095.2393041635. The cubic root of 82723378 is about 435.7219315227.

The spelling of 82723378 in words is "eighty-two million, seven hundred twenty-three thousand, three hundred seventy-eight".