82070340 has 48 divisors (see below), whose sum is σ = 250689600. Its totient is φ = 19895680.

The previous prime is 82070333. The next prime is 82070347. The reversal of 82070340 is 4307028.

It is an interprime number because it is at equal distance from previous prime (82070333) and next prime (82070347).

It is a self number, because there is not a number n which added to its sum of digits gives 82070340.

It is not an unprimeable number, because it can be changed into a prime (82070347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61515 + ... + 62834.

It is an arithmetic number, because the mean of its divisors is an integer number (5222700).

Almost surely, 2^82070340 is an apocalyptic number.

It is an amenable number.

82070340 is an abundant number, since it is smaller than the sum of its proper divisors (168619260).

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

82070340 is a wasteful number, since it uses less digits than its factorization.

82070340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124372 (or 124370 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 82070340 is about 9059.2681823644. The cubic root of 82070340 is about 434.5723369875.

Adding to 82070340 its reverse (4307028), we get a palindrome (86377368).

The spelling of 82070340 in words is "eighty-two million, seventy thousand, three hundred forty".