74230516589 has 8 divisors (see below), whose sum is σ = 74562300792. Its totient is φ = 73899266560.

The previous prime is 74230516501. The next prime is 74230516627. The reversal of 74230516589 is 98561503247.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39379227364 + 34851289225 = 198442^2 + 186685^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74230516589 - 2¹² = 74230512493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74230516889) 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, 146309 + ... + 412149.

It is an arithmetic number, because the mean of its divisors is an integer number (9320287599).

It is a 1-persistent number, because it is pandigital, but 2⋅74230516589 = 148461033178 is not.

Almost surely, 2^74230516589 is an apocalyptic number.

It is an amenable number.

74230516589 is a deficient number, since it is larger than the sum of its proper divisors (331784203).

74230516589 is a wasteful number, since it uses less digits than its factorization.

74230516589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267087.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 74230516589 in words is "seventy-four billion, two hundred thirty million, five hundred sixteen thousand, five hundred eighty-nine".