82741237 has 4 divisors (see below), whose sum is σ = 83005900. Its totient is φ = 82476576.

The previous prime is 82741231. The next prime is 82741249. The reversal of 82741237 is 73214728.

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

It can be written as a sum of positive squares in 2 ways, for example, as 276676 + 82464561 = 526^2 + 9081^2 .

It is a cyclic number.

It is not a de Polignac number, because 82741237 - 2¹⁹ = 82216949 is a prime.

It is a super-5 number, since 5×82741237⁵ (a number of 41 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82741231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131862 + ... + 132487.

It is an arithmetic number, because the mean of its divisors is an integer number (20751475).

Almost surely, 2^82741237 is an apocalyptic number.

It is an amenable number.

82741237 is a deficient number, since it is larger than the sum of its proper divisors (264663).

82741237 is a wasteful number, since it uses less digits than its factorization.

82741237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264662.

The product of its digits is 18816, while the sum is 34.

The square root of 82741237 is about 9096.2210285371. The cubic root of 82741237 is about 435.7532850056.

The spelling of 82741237 in words is "eighty-two million, seven hundred forty-one thousand, two hundred thirty-seven".