7165729441 has 4 divisors (see below), whose sum is σ = 7716939412. Its totient is φ = 6614519472.

The previous prime is 7165729429. The next prime is 7165729471. The reversal of 7165729441 is 1449275617.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4147875216 + 3017854225 = 64404^2 + 54935^2 .

It is a cyclic number.

It is not a de Polignac number, because 7165729441 - 2⁵ = 7165729409 is a prime.

It is a super-2 number, since 2×7165729441² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7165729391 and 7165729400.

It is not an unprimeable number, because it can be changed into a prime (7165729411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275604966 + ... + 275604991.

It is an arithmetic number, because the mean of its divisors is an integer number (1929234853).

Almost surely, 2^7165729441 is an apocalyptic number.

It is an amenable number.

7165729441 is a deficient number, since it is larger than the sum of its proper divisors (551209971).

7165729441 is a wasteful number, since it uses less digits than its factorization.

7165729441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551209970.

The product of its digits is 423360, while the sum is 46.

The square root of 7165729441 is about 84650.6316633255. The cubic root of 7165729441 is about 1927.9102046391.

The spelling of 7165729441 in words is "seven billion, one hundred sixty-five million, seven hundred twenty-nine thousand, four hundred forty-one".