82340378 has 4 divisors (see below), whose sum is σ = 123510570. Its totient is φ = 41170188.

The previous prime is 82340353. The next prime is 82340389. The reversal of 82340378 is 87304328.

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

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 1646089 = 8983^2 + 1283^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20585093 + ... + 20585096.

Almost surely, 2^82340378 is an apocalyptic number.

82340378 is a deficient number, since it is larger than the sum of its proper divisors (41170192).

82340378 is a wasteful number, since it uses less digits than its factorization.

82340378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41170191.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 82340378 is about 9074.1599060188. The cubic root of 82340378 is about 435.0484431011.

The spelling of 82340378 in words is "eighty-two million, three hundred forty thousand, three hundred seventy-eight".