7631969 has 2 divisors, whose sum is σ = 7631970. Its totient is φ = 7631968.

The previous prime is 7631957. The next prime is 7631971. The reversal of 7631969 is 9691367.

It is a happy number.

7631969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4892944 + 2739025 = 2212^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 7631969 - 2²⁰ = 6583393 is a prime.

It is a super-3 number, since 3×7631969³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 7631971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7631909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815984 + 3815985.

It is an arithmetic number, because the mean of its divisors is an integer number (3815985).

Almost surely, 2^7631969 is an apocalyptic number.

It is an amenable number.

7631969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7631969 is an equidigital number, since it uses as much as digits as its factorization.

7631969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 41.

The square root of 7631969 is about 2762.6018533260. The cubic root of 7631969 is about 196.8848047187.

The spelling of 7631969 in words is "seven million, six hundred thirty-one thousand, nine hundred sixty-nine".