7629631 has 2 divisors, whose sum is σ = 7629632. Its totient is φ = 7629630.

The previous prime is 7629623. The next prime is 7629637. The reversal of 7629631 is 1369267.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7629631 - 2³ = 7629623 is a prime.

It is a super-2 number, since 2×7629631² = 116422538392322, which contains 22 as substring.

7629631 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7629637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3814815 + 3814816.

It is an arithmetic number, because the mean of its divisors is an integer number (3814816).

Almost surely, 2^7629631 is an apocalyptic number.

7629631 is a deficient number, since it is larger than the sum of its proper divisors (1).

7629631 is an equidigital number, since it uses as much as digits as its factorization.

7629631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 7629631 is about 2762.1786690944. The cubic root of 7629631 is about 196.8646979072.

The spelling of 7629631 in words is "seven million, six hundred twenty-nine thousand, six hundred thirty-one".