82743378 has 8 divisors (see below), whose sum is σ = 165486768. Its totient is φ = 27581124.

The previous prime is 82743377. The next prime is 82743407. The reversal of 82743378 is 87334728.

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

82743378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (82743377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6895276 + ... + 6895287.

It is an arithmetic number, because the mean of its divisors is an integer number (20685846).

Almost surely, 2^82743378 is an apocalyptic number.

82743378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82743378 is a wasteful number, since it uses less digits than its factorization.

82743378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790568.

The product of its digits is 225792, while the sum is 42.

The square root of 82743378 is about 9096.3387140102. The cubic root of 82743378 is about 435.7570434691.

The spelling of 82743378 in words is "eighty-two million, seven hundred forty-three thousand, three hundred seventy-eight".