73781682 has 24 divisors (see below), whose sum is σ = 159789744. Its totient is φ = 22701744.

The previous prime is 73781651. The next prime is 73781699. The reversal of 73781682 is 28618737.

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 11 ways as a sum of consecutive naturals, for example, 35368 + ... + 37395.

It is an arithmetic number, because the mean of its divisors is an integer number (6657906).

Almost surely, 2^73781682 is an apocalyptic number.

73781682 is an abundant number, since it is smaller than the sum of its proper divisors (86008062).

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

73781682 is a wasteful number, since it uses less digits than its factorization.

73781682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72794 (or 72781 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 73781682 is about 8589.6264179532. The cubic root of 73781682 is about 419.4203682328.

The spelling of 73781682 in words is "seventy-three million, seven hundred eighty-one thousand, six hundred eighty-two".