742669959 has 8 divisors (see below), whose sum is σ = 990369280. Its totient is φ = 495041976.

The previous prime is 742669933. The next prime is 742669997. The reversal of 742669959 is 959966247.

It is a happy number.

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

It is not a de Polignac number, because 742669959 - 2⁷ = 742669831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742669899 and 742669908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742669919) 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, 15204 + ... + 41430.

It is an arithmetic number, because the mean of its divisors is an integer number (123796160).

Almost surely, 2^742669959 is an apocalyptic number.

742669959 is a deficient number, since it is larger than the sum of its proper divisors (247699321).

742669959 is a wasteful number, since it uses less digits than its factorization.

742669959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35669.

The product of its digits is 7348320, while the sum is 57.

The square root of 742669959 is about 27251.9716534419. The cubic root of 742669959 is about 905.5906968524.

The spelling of 742669959 in words is "seven hundred forty-two million, six hundred sixty-nine thousand, nine hundred fifty-nine".