73734663 has 8 divisors (see below), whose sum is σ = 99232128. Its totient is φ = 48696824.

The previous prime is 73734653. The next prime is 73734691. The reversal of 73734663 is 36643737.

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 73734663 - 2¹² = 73730567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73734643) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 114531 + ... + 115172.

It is an arithmetic number, because the mean of its divisors is an integer number (12404016).

Almost surely, 2^73734663 is an apocalyptic number.

73734663 is a deficient number, since it is larger than the sum of its proper divisors (25497465).

73734663 is a wasteful number, since it uses less digits than its factorization.

73734663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229813.

The product of its digits is 190512, while the sum is 39.

The square root of 73734663 is about 8586.8890175663. The cubic root of 73734663 is about 419.3312543480.

The spelling of 73734663 in words is "seventy-three million, seven hundred thirty-four thousand, six hundred sixty-three".