73638982 has 4 divisors (see below), whose sum is σ = 110458476. Its totient is φ = 36819490.

The previous prime is 73638979. The next prime is 73638997. The reversal of 73638982 is 28983637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28983637 = 4801 ⋅6037.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18409744 + ... + 18409747.

It is an arithmetic number, because the mean of its divisors is an integer number (27614619).

Almost surely, 2^73638982 is an apocalyptic number.

73638982 is a deficient number, since it is larger than the sum of its proper divisors (36819494).

73638982 is a wasteful number, since it uses less digits than its factorization.

73638982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36819493.

The product of its digits is 435456, while the sum is 46.

The square root of 73638982 is about 8581.3158664624. The cubic root of 73638982 is about 419.1497955908.

The spelling of 73638982 in words is "seventy-three million, six hundred thirty-eight thousand, nine hundred eighty-two".