747742547746 has 32 divisors (see below), whose sum is σ = 1184822876160. Its totient is φ = 352941469776.

The previous prime is 747742547729. The next prime is 747742547749. The reversal of 747742547746 is 647745247747.

It is not an unprimeable number, because it can be changed into a prime (747742547749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57658555 + ... + 57671521.

It is an arithmetic number, because the mean of its divisors is an integer number (37025714880).

Almost surely, 2^747742547746 is an apocalyptic number.

747742547746 is a deficient number, since it is larger than the sum of its proper divisors (437080328414).

747742547746 is a wasteful number, since it uses less digits than its factorization.

747742547746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18238.

The product of its digits is 258155520, while the sum is 64.

The spelling of 747742547746 in words is "seven hundred forty-seven billion, seven hundred forty-two million, five hundred forty-seven thousand, seven hundred forty-six".