82418130 has 24 divisors (see below), whose sum is σ = 214287372. Its totient is φ = 21978144.

The previous prime is 82418123. The next prime is 82418173. The reversal of 82418130 is 3181428.

It can be written as a sum of positive squares in 2 ways, for example, as 80838081 + 1580049 = 8991^2 + 1257^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82418094 and 82418103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457789 + ... + 457968.

Almost surely, 2^82418130 is an apocalyptic number.

82418130 is an abundant number, since it is smaller than the sum of its proper divisors (131869242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82418130 is a wasteful number, since it uses less digits than its factorization.

82418130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915770 (or 915767 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 82418130 is about 9078.4431484699. The cubic root of 82418130 is about 435.1853352147.

Adding to 82418130 its reverse (3181428), we get a palindrome (85599558).

The spelling of 82418130 in words is "eighty-two million, four hundred eighteen thousand, one hundred thirty".