73553983 has 8 divisors (see below), whose sum is σ = 76173696. Its totient is φ = 70980000.

The previous prime is 73553971. The next prime is 73553989. The reversal of 73553983 is 38935537.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73553983 - 2²⁵ = 39999551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73553989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8143 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (9521712).

Almost surely, 2^73553983 is an apocalyptic number.

73553983 is a deficient number, since it is larger than the sum of its proper divisors (2619713).

73553983 is a wasteful number, since it uses less digits than its factorization.

73553983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22865.

The product of its digits is 340200, while the sum is 43.

The square root of 73553983 is about 8576.3618743614. The cubic root of 73553983 is about 418.9884633313.

The spelling of 73553983 in words is "seventy-three million, five hundred fifty-three thousand, nine hundred eighty-three".