73983982 has 4 divisors (see below), whose sum is σ = 110975976. Its totient is φ = 36991990.

The previous prime is 73983971. The next prime is 73983989. The reversal of 73983982 is 28938937.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73983989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18495994 + ... + 18495997.

It is an arithmetic number, because the mean of its divisors is an integer number (27743994).

Almost surely, 2^73983982 is an apocalyptic number.

73983982 is a deficient number, since it is larger than the sum of its proper divisors (36991994).

73983982 is a wasteful number, since it uses less digits than its factorization.

73983982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36991993.

The product of its digits is 653184, while the sum is 49.

The square root of 73983982 is about 8601.3941893161. The cubic root of 73983982 is about 419.8033508736.

It can be divided in two parts, 7398398 and 2, that added together give a square (7398400 = 2720²).

The spelling of 73983982 in words is "seventy-three million, nine hundred eighty-three thousand, nine hundred eighty-two".