5681672740 has 24 divisors (see below), whose sum is σ = 11975879160. Its totient is φ = 2264218368.

The previous prime is 5681672723. The next prime is 5681672753. The reversal of 5681672740 is 472761865.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24226084 + 5657446656 = 4922^2 + 75216^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522657 + ... + 533416.

It is an arithmetic number, because the mean of its divisors is an integer number (498994965).

Almost surely, 2^5681672740 is an apocalyptic number.

It is an amenable number.

5681672740 is an abundant number, since it is smaller than the sum of its proper divisors (6294206420).

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

5681672740 is a wasteful number, since it uses less digits than its factorization.

5681672740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056351 (or 1056349 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 5681672740 is about 75376.8713863875. The cubic root of 5681672740 is about 1784.3994129565.

The spelling of 5681672740 in words is "five billion, six hundred eighty-one million, six hundred seventy-two thousand, seven hundred forty".