73209982 has 4 divisors (see below), whose sum is σ = 109814976. Its totient is φ = 36604990.

The previous prime is 73209953. The next prime is 73210043. The reversal of 73209982 is 28990237.

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

It is a Smith number, since the sum of its digits (40) 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18302494 + ... + 18302497.

It is an arithmetic number, because the mean of its divisors is an integer number (27453744).

Almost surely, 2^73209982 is an apocalyptic number.

73209982 is a deficient number, since it is larger than the sum of its proper divisors (36604994).

73209982 is a wasteful number, since it uses less digits than its factorization.

73209982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36604993.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 73209982 is about 8556.2831883944. The cubic root of 73209982 is about 418.3342602301.

The spelling of 73209982 in words is "seventy-three million, two hundred nine thousand, nine hundred eighty-two".