82672141 has 4 divisors (see below), whose sum is σ = 84027484. Its totient is φ = 81316800.

The previous prime is 82672123. The next prime is 82672223. The reversal of 82672141 is 14127628.

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 6022116 + 76650025 = 2454^2 + 8755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82672141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82672111) 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, 677580 + ... + 677701.

It is an arithmetic number, because the mean of its divisors is an integer number (21006871).

Almost surely, 2^82672141 is an apocalyptic number.

It is an amenable number.

82672141 is a deficient number, since it is larger than the sum of its proper divisors (1355343).

82672141 is a wasteful number, since it uses less digits than its factorization.

82672141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355342.

The product of its digits is 5376, while the sum is 31.

The square root of 82672141 is about 9092.4221745363. The cubic root of 82672141 is about 435.6319541550.

Adding to 82672141 its reverse (14127628), we get a palindrome (96799769).

The spelling of 82672141 in words is "eighty-two million, six hundred seventy-two thousand, one hundred forty-one".