82641242 has 8 divisors (see below), whose sum is σ = 128236500. Its totient is φ = 39895744.

The previous prime is 82641193. The next prime is 82641253. The reversal of 82641242 is 24214628.

It can be written as a sum of positive squares in 2 ways, for example, as 71757841 + 10883401 = 8471^2 + 3299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712367 + ... + 712482.

Almost surely, 2^82641242 is an apocalyptic number.

82641242 is a deficient number, since it is larger than the sum of its proper divisors (45595258).

82641242 is a wasteful number, since it uses less digits than its factorization.

82641242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424880.

The product of its digits is 6144, while the sum is 29.

The square root of 82641242 is about 9090.7228535469. The cubic root of 82641242 is about 435.5776744064.

The spelling of 82641242 in words is "eighty-two million, six hundred forty-one thousand, two hundred forty-two".