73681982 has 24 divisors (see below), whose sum is σ = 125685000. Its totient is φ = 32333840.

The previous prime is 73681969. The next prime is 73681997. The reversal of 73681982 is 28918637.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1769 + ... + 12267.

It is an arithmetic number, because the mean of its divisors is an integer number (5236875).

Almost surely, 2^73681982 is an apocalyptic number.

73681982 is a deficient number, since it is larger than the sum of its proper divisors (52003018).

73681982 is a wasteful number, since it uses less digits than its factorization.

73681982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10552 (or 10541 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 73681982 is about 8583.8209440785. The cubic root of 73681982 is about 419.2313644090.

The spelling of 73681982 in words is "seventy-three million, six hundred eighty-one thousand, nine hundred eighty-two".