7473733747668 has 72 divisors (see below), whose sum is σ = 19892022696000. Its totient is φ = 2359441408896.

The previous prime is 7473733747633. The next prime is 7473733747787. The reversal of 7473733747668 is 8667473373747.

It is a happy number.

It is a super-2 number, since 2×7473733747668² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7473733747596 and 7473733747605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775105 + ... + 3943127.

It is an arithmetic number, because the mean of its divisors is an integer number (276278093000).

Almost surely, 2^{7473733747668} is an apocalyptic number.

It is an amenable number.

7473733747668 is an abundant number, since it is smaller than the sum of its proper divisors (12418288948332).

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

7473733747668 is a wasteful number, since it uses less digits than its factorization.

7473733747668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171501 (or 3171496 counting only the distinct ones).

The product of its digits is 2091059712, while the sum is 72.

The spelling of 7473733747668 in words is "seven trillion, four hundred seventy-three billion, seven hundred thirty-three million, seven hundred forty-seven thousand, six hundred sixty-eight".