747474081846 has 16 divisors (see below), whose sum is σ = 1582886291184. Its totient is φ = 234501672704.

The previous prime is 747474081811. The next prime is 747474081877. The reversal of 747474081846 is 648180474747.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 747474081846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664088535 + ... + 3664088738.

It is an arithmetic number, because the mean of its divisors is an integer number (98930393199).

Almost surely, 2^747474081846 is an apocalyptic number.

747474081846 is an abundant number, since it is smaller than the sum of its proper divisors (835412209338).

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

747474081846 is a wasteful number, since it uses less digits than its factorization.

747474081846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328177295.

The product of its (nonzero) digits is 33718272, while the sum is 60.

The spelling of 747474081846 in words is "seven hundred forty-seven billion, four hundred seventy-four million, eighty-one thousand, eight hundred forty-six".