742065589 has 6 divisors (see below), whose sum is σ = 788284514. Its totient is φ = 698414400.

The previous prime is 742065587. The next prime is 742065619. The reversal of 742065589 is 985560247.

742065589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 495418564 + 246647025 = 22258^2 + 15705^2 .

It is not a de Polignac number, because 742065589 - 2¹ = 742065587 is a prime.

It is a super-2 number, since 2×742065589² = 1101322676755833842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742065581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1283562 + ... + 1284139.

Almost surely, 2^742065589 is an apocalyptic number.

It is an amenable number.

742065589 is a deficient number, since it is larger than the sum of its proper divisors (46218925).

742065589 is a wasteful number, since it uses less digits than its factorization.

742065589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567735 (or 2567718 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 742065589 is about 27240.8808411182. The cubic root of 742065589 is about 905.3449796381.

The spelling of 742065589 in words is "seven hundred forty-two million, sixty-five thousand, five hundred eighty-nine".