742689426 has 16 divisors (see below), whose sum is σ = 1487386944. Its totient is φ = 247228464.

The previous prime is 742689407. The next prime is 742689443. The reversal of 742689426 is 624986247.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78841 + ... + 87756.

It is an arithmetic number, because the mean of its divisors is an integer number (92961684).

Almost surely, 2^742689426 is an apocalyptic number.

742689426 is an abundant number, since it is smaller than the sum of its proper divisors (744697518).

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

742689426 is a wasteful number, since it uses less digits than its factorization.

742689426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167345.

The product of its digits is 1161216, while the sum is 48.

The square root of 742689426 is about 27252.3288179194. The cubic root of 742689426 is about 905.5986092859.

The spelling of 742689426 in words is "seven hundred forty-two million, six hundred eighty-nine thousand, four hundred twenty-six".