82408740 has 48 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 21936640.

The previous prime is 82408721. The next prime is 82408759. The reversal of 82408740 is 4780428.

82408740 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (82408721) and next prime (82408759).

82408740 is strictly pandigital in base 9.

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 15 ways as a sum of consecutive naturals, for example, 52081 + ... + 53639.

It is an arithmetic number, because the mean of its divisors is an integer number (4815720).

Almost surely, 2^82408740 is an apocalyptic number.

It is an amenable number.

82408740 is an abundant number, since it is smaller than the sum of its proper divisors (148745820).

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

82408740 is a wasteful number, since it uses less digits than its factorization.

82408740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 82408740 is about 9077.9259745825. The cubic root of 82408740 is about 435.1688075183.

The spelling of 82408740 in words is "eighty-two million, four hundred eight thousand, seven hundred forty".