82642350 has 48 divisors (see below), whose sum is σ = 234235008. Its totient is φ = 18889440.

The previous prime is 82642337. The next prime is 82642361. The reversal of 82642350 is 5324628.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38304 + ... + 40403.

It is an arithmetic number, because the mean of its divisors is an integer number (4879896).

Almost surely, 2^82642350 is an apocalyptic number.

82642350 is an abundant number, since it is smaller than the sum of its proper divisors (151592658).

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

82642350 is a wasteful number, since it uses less digits than its factorization.

82642350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78729 (or 78724 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 82642350 is about 9090.7837945911. The cubic root of 82642350 is about 435.5796210450.

Adding to 82642350 its reverse (5324628), we get a palindrome (87966978).

The spelling of 82642350 in words is "eighty-two million, six hundred forty-two thousand, three hundred fifty".