742376961769 has 3 divisors (see below), whose sum is σ = 742377823383. Its totient is φ = 742376100156.

The previous prime is 742376961763. The next prime is 742376961773. The reversal of 742376961769 is 967169673247.

The square root of 742376961769 is 861613.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 51835905625 + 690541056144 = 227675^2 + 830988^2 .

It is not a de Polignac number, because 742376961769 - 2⁹ = 742376961257 is a prime.

It is a super-2 number, since 2×742376961769² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742376961763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 430807 + ... + 1292419.

It is an arithmetic number, because the mean of its divisors is an integer number (247459274461).

Almost surely, 2^742376961769 is an apocalyptic number.

742376961769 is the 861613-rd square number.

742376961769 is the 430807-th centered octagonal number.

It is an amenable number.

742376961769 is a deficient number, since it is larger than the sum of its proper divisors (861614).

742376961769 is an frugal number, since it uses more digits than its factorization.

742376961769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723226 (or 861613 counting only the distinct ones).

The product of its digits is 144027072, while the sum is 67.

The spelling of 742376961769 in words is "seven hundred forty-two billion, three hundred seventy-six million, nine hundred sixty-one thousand, seven hundred sixty-nine".