7641728832 has 56 divisors (see below), whose sum is σ = 20688966496. Its totient is φ = 2488002048.

The previous prime is 7641728827. The next prime is 7641728833. The reversal of 7641728832 is 2388271467.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7641728833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454543 + ... + 471054.

Almost surely, 2^7641728832 is an apocalyptic number.

It is an amenable number.

7641728832 is an abundant number, since it is smaller than the sum of its proper divisors (13047237664).

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

7641728832 is a wasteful number, since it uses less digits than its factorization.

7641728832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925655 (or 925645 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 7641728832 is about 87416.9825148409. The cubic root of 7641728832 is about 1969.6869500072.

The spelling of 7641728832 in words is "seven billion, six hundred forty-one million, seven hundred twenty-eight thousand, eight hundred thirty-two".