740740668 has 48 divisors (see below), whose sum is σ = 1805750016. Its totient is φ = 235889280.

The previous prime is 740740621. The next prime is 740740697. The reversal of 740740668 is 866047047.

740740668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421680 + ... + 423432.

It is an arithmetic number, because the mean of its divisors is an integer number (37619792).

Almost surely, 2^740740668 is an apocalyptic number.

It is an amenable number.

740740668 is an abundant number, since it is smaller than the sum of its proper divisors (1065009348).

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

740740668 is a wasteful number, since it uses less digits than its factorization.

740740668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 740740668 is about 27216.5513612581. The cubic root of 740740668 is about 904.8058425810.

The spelling of 740740668 in words is "seven hundred forty million, seven hundred forty thousand, six hundred sixty-eight".