73534668 has 12 divisors (see below), whose sum is σ = 171580920. Its totient is φ = 24511552.

The previous prime is 73534663. The next prime is 73534733. The reversal of 73534668 is 86643537.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73534661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063933 + ... + 3063956.

It is an arithmetic number, because the mean of its divisors is an integer number (14298410).

Almost surely, 2^73534668 is an apocalyptic number.

It is an amenable number.

73534668 is an abundant number, since it is smaller than the sum of its proper divisors (98046252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73534668 is a wasteful number, since it uses less digits than its factorization.

73534668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127896 (or 6127894 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 73534668 is about 8575.2357401998. The cubic root of 73534668 is about 418.9517851877.

It can be divided in two parts, 7353 and 4668, that added together give a palindrome (12021).

The spelling of 73534668 in words is "seventy-three million, five hundred thirty-four thousand, six hundred sixty-eight".