82607240 has 16 divisors (see below), whose sum is σ = 185866380. Its totient is φ = 33042880.

The previous prime is 82607221. The next prime is 82607263. The reversal of 82607240 is 4270628.

It can be written as a sum of positive squares in 2 ways, for example, as 79530724 + 3076516 = 8918^2 + 1754^2 .

It is a super-2 number, since 2×82607240² = 13647912200835200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032551 + ... + 1032630.

Almost surely, 2^82607240 is an apocalyptic number.

It is an amenable number.

82607240 is an abundant number, since it is smaller than the sum of its proper divisors (103259140).

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

82607240 is a wasteful number, since it uses less digits than its factorization.

82607240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065192 (or 2065188 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 82607240 is about 9088.8525128313. The cubic root of 82607240 is about 435.5179280320.

Adding to 82607240 its reverse (4270628), we get a palindrome (86877868).

The spelling of 82607240 in words is "eighty-two million, six hundred seven thousand, two hundred forty".