7373734681 has 16 divisors (see below), whose sum is σ = 7882997760. Its totient is φ = 6877437840.

The previous prime is 7373734661. The next prime is 7373734721. The reversal of 7373734681 is 1864373737.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7373734681 - 2⁷ = 7373734553 is a prime.

It is a super-2 number, since 2×7373734681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7373734661) 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, 304440 + ... + 327766.

It is an arithmetic number, because the mean of its divisors is an integer number (492687360).

Almost surely, 2^7373734681 is an apocalyptic number.

It is an amenable number.

7373734681 is a deficient number, since it is larger than the sum of its proper divisors (509263079).

7373734681 is a wasteful number, since it uses less digits than its factorization.

7373734681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23604.

The product of its digits is 1778112, while the sum is 49.

The square root of 7373734681 is about 85870.4528985378. The cubic root of 7373734681 is about 1946.3868821950.

The spelling of 7373734681 in words is "seven billion, three hundred seventy-three million, seven hundred thirty-four thousand, six hundred eighty-one".