89744065 has 4 divisors (see below), whose sum is σ = 107692884. Its totient is φ = 71795248.

The previous prime is 89744063. The next prime is 89744077. The reversal of 89744065 is 56044798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30869136 + 58874929 = 5556^2 + 7673^2 .

It is a cyclic number.

It is not a de Polignac number, because 89744065 - 2¹ = 89744063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89744063) 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, 8974402 + ... + 8974411.

It is an arithmetic number, because the mean of its divisors is an integer number (26923221).

Almost surely, 2^89744065 is an apocalyptic number.

It is an amenable number.

89744065 is a deficient number, since it is larger than the sum of its proper divisors (17948819).

89744065 is a wasteful number, since it uses less digits than its factorization.

89744065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17948818.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 89744065 is about 9473.3344182500. The cubic root of 89744065 is about 447.7152756759.

The spelling of 89744065 in words is "eighty-nine million, seven hundred forty-four thousand, sixty-five".