7704727381 has 16 divisors (see below), whose sum is σ = 8697056256. Its totient is φ = 6772271616.

The previous prime is 7704727361. The next prime is 7704727397. The reversal of 7704727381 is 1837274077.

7704727381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7704727381 - 2¹¹ = 7704725333 is a prime.

It is a super-2 number, since 2×7704727381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7704727361) 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, 8901 + ... + 124453.

It is an arithmetic number, because the mean of its divisors is an integer number (543566016).

Almost surely, 2^7704727381 is an apocalyptic number.

It is an amenable number.

7704727381 is a deficient number, since it is larger than the sum of its proper divisors (992328875).

7704727381 is a wasteful number, since it uses less digits than its factorization.

7704727381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115812.

The product of its (nonzero) digits is 460992, while the sum is 46.

The square root of 7704727381 is about 87776.5764939599. The cubic root of 7704727381 is about 1975.0848550627.

The spelling of 7704727381 in words is "seven billion, seven hundred four million, seven hundred twenty-seven thousand, three hundred eighty-one".