82494739 has 4 divisors (see below), whose sum is σ = 82732824. Its totient is φ = 82256656.

The previous prime is 82494733. The next prime is 82494743. The reversal of 82494739 is 93749428.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82494739 - 2⁵ = 82494707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82494733) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 118522 + ... + 119215.

It is an arithmetic number, because the mean of its divisors is an integer number (20683206).

Almost surely, 2^82494739 is an apocalyptic number.

82494739 is a deficient number, since it is larger than the sum of its proper divisors (238085).

82494739 is a wasteful number, since it uses less digits than its factorization.

82494739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238084.

The product of its digits is 435456, while the sum is 46.

The square root of 82494739 is about 9082.6614491568. The cubic root of 82494739 is about 435.3201307543.

The spelling of 82494739 in words is "eighty-two million, four hundred ninety-four thousand, seven hundred thirty-nine".