7741728631 has 32 divisors (see below), whose sum is σ = 9952911360. Its totient is φ = 5852905344.

The previous prime is 7741728623. The next prime is 7741728661. The reversal of 7741728631 is 1368271477.

It is not a de Polignac number, because 7741728631 - 2³ = 7741728623 is a prime.

It is a super-2 number, since 2×7741728631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7741728661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3814525 + ... + 3816553.

It is an arithmetic number, because the mean of its divisors is an integer number (311028480).

Almost surely, 2^7741728631 is an apocalyptic number.

7741728631 is a deficient number, since it is larger than the sum of its proper divisors (2211182729).

7741728631 is a wasteful number, since it uses less digits than its factorization.

7741728631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its digits is 395136, while the sum is 46.

The square root of 7741728631 is about 87987.0935478608. The cubic root of 7741728631 is about 1978.2415288104.

The spelling of 7741728631 in words is "seven billion, seven hundred forty-one million, seven hundred twenty-eight thousand, six hundred thirty-one".