742543808 has 14 divisors (see below), whose sum is σ = 1473485496. Its totient is φ = 371271872.

The previous prime is 742543801. The next prime is 742543829. The reversal of 742543808 is 808345247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742543801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5801060 + ... + 5801187.

It is an arithmetic number, because the mean of its divisors is an integer number (105248964).

Almost surely, 2^742543808 is an apocalyptic number.

It is an amenable number.

742543808 is a deficient number, since it is larger than the sum of its proper divisors (730941688).

742543808 is a wasteful number, since it uses less digits than its factorization.

742543808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602259 (or 11602249 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 742543808 is about 27249.6570253646. The cubic root of 742543808 is about 905.5394189644.

The spelling of 742543808 in words is "seven hundred forty-two million, five hundred forty-three thousand, eight hundred eight".