73132668 has 36 divisors (see below), whose sum is σ = 211272880. Its totient is φ = 20894976.

The previous prime is 73132651. The next prime is 73132727. The reversal of 73132668 is 86623137.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144853 + ... + 145356.

Almost surely, 2^73132668 is an apocalyptic number.

It is an amenable number.

73132668 is an abundant number, since it is smaller than the sum of its proper divisors (138140212).

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

73132668 is a wasteful number, since it uses less digits than its factorization.

73132668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290226 (or 290221 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 73132668 is about 8551.7640285499. The cubic root of 73132668 is about 418.1869465889.

The spelling of 73132668 in words is "seventy-three million, one hundred thirty-two thousand, six hundred sixty-eight".