7626631 has 2 divisors, whose sum is σ = 7626632. Its totient is φ = 7626630.

The previous prime is 7626629. The next prime is 7626637. The reversal of 7626631 is 1366267.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7626631 - 2¹ = 7626629 is a prime.

It is a super-2 number, since 2×7626631² = 116331000820322, which contains 22 as substring.

Together with 7626629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7626593 and 7626602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7626637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3813315 + 3813316.

It is an arithmetic number, because the mean of its divisors is an integer number (3813316).

Almost surely, 2^7626631 is an apocalyptic number.

7626631 is a deficient number, since it is larger than the sum of its proper divisors (1).

7626631 is an equidigital number, since it uses as much as digits as its factorization.

7626631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 7626631 is about 2761.6355661093. The cubic root of 7626631 is about 196.8388918746.

The spelling of 7626631 in words is "seven million, six hundred twenty-six thousand, six hundred thirty-one".