82612940 has 12 divisors (see below), whose sum is σ = 173487216. Its totient is φ = 33045168.

The previous prime is 82612939. The next prime is 82612949. The reversal of 82612940 is 4921628.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82612897 and 82612906.

It is not an unprimeable number, because it can be changed into a prime (82612949) by changing a digit.

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, 2065304 + ... + 2065343.

It is an arithmetic number, because the mean of its divisors is an integer number (14457268).

Almost surely, 2^82612940 is an apocalyptic number.

It is an amenable number.

82612940 is an abundant number, since it is smaller than the sum of its proper divisors (90874276).

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

82612940 is a wasteful number, since it uses less digits than its factorization.

82612940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130656 (or 4130654 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 82612940 is about 9089.1660783594. The cubic root of 82612940 is about 435.5279448904.

The spelling of 82612940 in words is "eighty-two million, six hundred twelve thousand, nine hundred forty".