746743661 has 8 divisors (see below), whose sum is σ = 763768704. Its totient is φ = 729766080.

The previous prime is 746743607. The next prime is 746743687. The reversal of 746743661 is 166347647.

746743661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 746743661 - 2⁶ = 746743597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746743861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20981 + ... + 43973.

It is an arithmetic number, because the mean of its divisors is an integer number (95471088).

Almost surely, 2^746743661 is an apocalyptic number.

It is an amenable number.

746743661 is a deficient number, since it is larger than the sum of its proper divisors (17025043).

746743661 is a wasteful number, since it uses less digits than its factorization.

746743661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23731.

The product of its digits is 508032, while the sum is 44.

The square root of 746743661 is about 27326.6108582824. The cubic root of 746743661 is about 907.2434641825.

The spelling of 746743661 in words is "seven hundred forty-six million, seven hundred forty-three thousand, six hundred sixty-one".