742000668 has 12 divisors (see below), whose sum is σ = 1731334920. Its totient is φ = 247333552.

The previous prime is 742000667. The next prime is 742000669. The reversal of 742000668 is 866000247.

It is an interprime number because it is at equal distance from previous prime (742000667) and next prime (742000669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742000663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30916683 + ... + 30916706.

It is an arithmetic number, because the mean of its divisors is an integer number (144277910).

Almost surely, 2^742000668 is an apocalyptic number.

It is an amenable number.

742000668 is an abundant number, since it is smaller than the sum of its proper divisors (989334252).

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

742000668 is a wasteful number, since it uses less digits than its factorization.

742000668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61833396 (or 61833394 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 742000668 is about 27239.6892052755. The cubic root of 742000668 is about 905.3185769335.

The spelling of 742000668 in words is "seven hundred forty-two million, six hundred sixty-eight", and thus it is an aban number.