749608542 has 24 divisors (see below), whose sum is σ = 1624993344. Its totient is φ = 249740064.

The previous prime is 749608477. The next prime is 749608579. The reversal of 749608542 is 245806947.

It is a happy number.

749608542 is a `hidden beast` number, since 7 + 49 + 60 + 8 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28858 + ... + 48290.

It is an arithmetic number, because the mean of its divisors is an integer number (67708056).

Almost surely, 2^749608542 is an apocalyptic number.

749608542 is an abundant number, since it is smaller than the sum of its proper divisors (875384802).

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

749608542 is a wasteful number, since it uses less digits than its factorization.

749608542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21584 (or 21581 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 749608542 is about 27378.9799298659. The cubic root of 749608542 is about 908.4021963746.

The spelling of 749608542 in words is "seven hundred forty-nine million, six hundred eight thousand, five hundred forty-two".