747905746 has 8 divisors (see below), whose sum is σ = 1282124160. Its totient is φ = 320531028.

The previous prime is 747905731. The next prime is 747905749. The reversal of 747905746 is 647509747.

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

It is a self number, because there is not a number n which added to its sum of digits gives 747905746.

It is not an unprimeable number, because it can be changed into a prime (747905749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26710906 + ... + 26710933.

It is an arithmetic number, because the mean of its divisors is an integer number (160265520).

Almost surely, 2^747905746 is an apocalyptic number.

747905746 is a deficient number, since it is larger than the sum of its proper divisors (534218414).

747905746 is a wasteful number, since it uses less digits than its factorization.

747905746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53421848.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 747905746 is about 27347.8654742925. The cubic root of 747905746 is about 907.7138387121.

The spelling of 747905746 in words is "seven hundred forty-seven million, nine hundred five thousand, seven hundred forty-six".