7436820169 has 9 divisors (see below), whose sum is σ = 7534751853. Its totient is φ = 7340148492.

The previous prime is 7436820163. The next prime is 7436820173. The reversal of 7436820169 is 9610286347.

The square root of 7436820169 is 86237.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 7436820169 - 2⁹ = 7436819657 is a prime.

It is a super-2 number, since 2×7436820169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7436820163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7157152 + ... + 7158190.

Almost surely, 2^7436820169 is an apocalyptic number.

7436820169 is the 86237-th square number.

7436820169 is the 43119-th centered octagonal number.

It is an amenable number.

7436820169 is a deficient number, since it is larger than the sum of its proper divisors (97931684).

7436820169 is an frugal number, since it uses more digits than its factorization.

7436820169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The cubic root of 7436820169 is about 1951.9218544627.

The spelling of 7436820169 in words is "seven billion, four hundred thirty-six million, eight hundred twenty thousand, one hundred sixty-nine".