741589666 has 4 divisors (see below), whose sum is σ = 1112384502. Its totient is φ = 370794832.

The previous prime is 741589643. The next prime is 741589697. The reversal of 741589666 is 666985147.

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

It can be written as a sum of positive squares in only one way, i.e., 685654225 + 55935441 = 26185^2 + 7479^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185397415 + ... + 185397418.

Almost surely, 2^741589666 is an apocalyptic number.

741589666 is a deficient number, since it is larger than the sum of its proper divisors (370794836).

741589666 is a wasteful number, since it uses less digits than its factorization.

741589666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370794835.

The product of its digits is 2177280, while the sum is 52.

The square root of 741589666 is about 27232.1439846370. The cubic root of 741589666 is about 905.1513908899.

The spelling of 741589666 in words is "seven hundred forty-one million, five hundred eighty-nine thousand, six hundred sixty-six".