82374742 has 4 divisors (see below), whose sum is σ = 123562116. Its totient is φ = 41187370.

The previous prime is 82374739. The next prime is 82374757. The reversal of 82374742 is 24747328.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20593684 + ... + 20593687.

It is an arithmetic number, because the mean of its divisors is an integer number (30890529).

Almost surely, 2^82374742 is an apocalyptic number.

82374742 is a deficient number, since it is larger than the sum of its proper divisors (41187374).

82374742 is a wasteful number, since it uses less digits than its factorization.

82374742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41187373.

The product of its digits is 75264, while the sum is 37.

The square root of 82374742 is about 9076.0532171203. The cubic root of 82374742 is about 435.1089558402.

The spelling of 82374742 in words is "eighty-two million, three hundred seventy-four thousand, seven hundred forty-two".