73433661 has 8 divisors (see below), whose sum is σ = 111898944. Its totient is φ = 41962080.

The previous prime is 73433623. The next prime is 73433663. The reversal of 73433661 is 16633437.

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

It is not a de Polignac number, because 73433661 - 2¹⁵ = 73400893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73433663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748400 + ... + 1748441.

It is an arithmetic number, because the mean of its divisors is an integer number (13987368).

Almost surely, 2^73433661 is an apocalyptic number.

It is an amenable number.

73433661 is a deficient number, since it is larger than the sum of its proper divisors (38465283).

73433661 is a wasteful number, since it uses less digits than its factorization.

73433661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496851.

The product of its digits is 27216, while the sum is 33.

The square root of 73433661 is about 8569.3442572930. The cubic root of 73433661 is about 418.7598736515.

The spelling of 73433661 in words is "seventy-three million, four hundred thirty-three thousand, six hundred sixty-one".