742436668629 has 12 divisors (see below), whose sum is σ = 1074734793132. Its totient is φ = 493884115200.

The previous prime is 742436668511. The next prime is 742436668637. The reversal of 742436668629 is 926866634247.

742436668629 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 77021235729 + 665415432900 = 277527^2 + 815730^2 .

It is not a de Polignac number, because 742436668629 - 2¹² = 742436664533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742436668639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89467612 + ... + 89475909.

It is an arithmetic number, because the mean of its divisors is an integer number (89561232761).

Almost surely, 2^742436668629 is an apocalyptic number.

It is an amenable number.

742436668629 is a deficient number, since it is larger than the sum of its proper divisors (332298124503).

742436668629 is a wasteful number, since it uses less digits than its factorization.

742436668629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178943988 (or 178943985 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 63.

The spelling of 742436668629 in words is "seven hundred forty-two billion, four hundred thirty-six million, six hundred sixty-eight thousand, six hundred twenty-nine".