742068680 has 16 divisors (see below), whose sum is σ = 1669654620. Its totient is φ = 296827456.

The previous prime is 742068661. The next prime is 742068689. The reversal of 742068680 is 86860247.

It can be written as a sum of positive squares in 2 ways, for example, as 741255076 + 813604 = 27226^2 + 902^2 .

It is not an unprimeable number, because it can be changed into a prime (742068689) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9275819 + ... + 9275898.

Almost surely, 2^742068680 is an apocalyptic number.

It is an amenable number.

742068680 is an abundant number, since it is smaller than the sum of its proper divisors (927585940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742068680 is a wasteful number, since it uses less digits than its factorization.

742068680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18551728 (or 18551724 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 742068680 is about 27240.9375756416. The cubic root of 742068680 is about 905.3462366776.

The spelling of 742068680 in words is "seven hundred forty-two million, sixty-eight thousand, six hundred eighty".