89730533 has 4 divisors (see below), whose sum is σ = 89751840. Its totient is φ = 89709228.

The previous prime is 89730503. The next prime is 89730541. The reversal of 89730533 is 33503798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33503798 = 2 ⋅16751899.

It is a cyclic number.

It is not a de Polignac number, because 89730533 - 2⁶ = 89730469 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 (89730503) 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, 1985 + ... + 13542.

It is an arithmetic number, because the mean of its divisors is an integer number (22437960).

Almost surely, 2^89730533 is an apocalyptic number.

It is an amenable number.

89730533 is a deficient number, since it is larger than the sum of its proper divisors (21307).

89730533 is a wasteful number, since it uses less digits than its factorization.

89730533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21306.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 89730533 is about 9472.6201760653. The cubic root of 89730533 is about 447.6927717267.

The spelling of 89730533 in words is "eighty-nine million, seven hundred thirty thousand, five hundred thirty-three".