82495620 has 36 divisors (see below), whose sum is σ = 250237260. Its totient is φ = 21998784.

The previous prime is 82495603. The next prime is 82495631. The reversal of 82495620 is 2659428.

It is a happy number.

82495620 is a `hidden beast` number, since 8 + 24 + 9 + 5 + 620 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55621764 + 26873856 = 7458^2 + 5184^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228975 + ... + 229334.

It is an arithmetic number, because the mean of its divisors is an integer number (6951035).

Almost surely, 2^82495620 is an apocalyptic number.

It is an amenable number.

82495620 is an abundant number, since it is smaller than the sum of its proper divisors (167741640).

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

82495620 is a wasteful number, since it uses less digits than its factorization.

82495620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458324 (or 458319 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 82495620 is about 9082.7099480276. The cubic root of 82495620 is about 435.3216804114.

The spelling of 82495620 in words is "eighty-two million, four hundred ninety-five thousand, six hundred twenty".