73539838 has 4 divisors (see below), whose sum is σ = 110309760. Its totient is φ = 36769918.

The previous prime is 73539833. The next prime is 73539839. The reversal of 73539838 is 83893537.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73539833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18384958 + ... + 18384961.

It is an arithmetic number, because the mean of its divisors is an integer number (27577440).

Almost surely, 2^73539838 is an apocalyptic number.

73539838 is a deficient number, since it is larger than the sum of its proper divisors (36769922).

73539838 is a wasteful number, since it uses less digits than its factorization.

73539838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36769921.

The product of its digits is 544320, while the sum is 46.

The square root of 73539838 is about 8575.5371843401. The cubic root of 73539838 is about 418.9616033684.

The spelling of 73539838 in words is "seventy-three million, five hundred thirty-nine thousand, eight hundred thirty-eight".