742542684 has 48 divisors (see below), whose sum is σ = 1869783552. Its totient is φ = 227996352.

The previous prime is 742542653. The next prime is 742542701. The reversal of 742542684 is 486245247.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73737 + ... + 83199.

It is an arithmetic number, because the mean of its divisors is an integer number (38953824).

Almost surely, 2^742542684 is an apocalyptic number.

It is an amenable number.

742542684 is an abundant number, since it is smaller than the sum of its proper divisors (1127240868).

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

742542684 is a wasteful number, since it uses less digits than its factorization.

742542684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9986 (or 9984 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 742542684 is about 27249.6364012440. The cubic root of 742542684 is about 905.5389620545.

The spelling of 742542684 in words is "seven hundred forty-two million, five hundred forty-two thousand, six hundred eighty-four".