7381527643 has 8 divisors (see below), whose sum is σ = 8436716288. Its totient is φ = 6326510184.

The previous prime is 7381527617. The next prime is 7381527737. The reversal of 7381527643 is 3467251837.

It is a happy number.

7381527643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7381527643 - 2²⁵ = 7347973211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7381527593 and 7381527602.

It is not an unprimeable number, because it can be changed into a prime (7381527743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69130 + ... + 139792.

It is an arithmetic number, because the mean of its divisors is an integer number (1054589536).

Almost surely, 2^7381527643 is an apocalyptic number.

7381527643 is a deficient number, since it is larger than the sum of its proper divisors (1055188645).

7381527643 is a wasteful number, since it uses less digits than its factorization.

7381527643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85593.

The product of its digits is 846720, while the sum is 46.

The square root of 7381527643 is about 85915.8171875237. The cubic root of 7381527643 is about 1947.0723231239.

The spelling of 7381527643 in words is "seven billion, three hundred eighty-one million, five hundred twenty-seven thousand, six hundred forty-three".