73553089 has 4 divisors (see below), whose sum is σ = 74589120. Its totient is φ = 72517060.

The previous prime is 73553083. The next prime is 73553119. The reversal of 73553089 is 98035537.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 73553089 - 2¹¹ = 73551041 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73553083) 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, 517909 + ... + 518050.

It is an arithmetic number, because the mean of its divisors is an integer number (18647280).

Almost surely, 2^73553089 is an apocalyptic number.

It is an amenable number.

73553089 is a deficient number, since it is larger than the sum of its proper divisors (1036031).

73553089 is a wasteful number, since it uses less digits than its factorization.

73553089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036030.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 73553089 is about 8576.3097542008. The cubic root of 73553089 is about 418.9867658152.

It can be divided in two parts, 735 and 53089, that added together give a square (53824 = 232²).

The spelling of 73553089 in words is "seventy-three million, five hundred fifty-three thousand, eighty-nine".