7231765672 has 16 divisors (see below), whose sum is σ = 13573984500. Its totient is φ = 3612036480.

The previous prime is 7231765661. The next prime is 7231765691. The reversal of 7231765672 is 2765671327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7183240516 + 48525156 = 84754^2 + 6966^2 .

It is a super-3 number, since 3×7231765672³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 3 ways as a sum of consecutive naturals, for example, 472797 + ... + 487852.

Almost surely, 2^7231765672 is an apocalyptic number.

It is an amenable number.

7231765672 is a deficient number, since it is larger than the sum of its proper divisors (6342218828).

7231765672 is a wasteful number, since it uses less digits than its factorization.

7231765672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961596 (or 961592 counting only the distinct ones).

The product of its digits is 740880, while the sum is 46.

The square root of 7231765672 is about 85039.7887579691. The cubic root of 7231765672 is about 1933.8143642001.

The spelling of 7231765672 in words is "seven billion, two hundred thirty-one million, seven hundred sixty-five thousand, six hundred seventy-two".