67260631 has 2 divisors, whose sum is σ = 67260632. Its totient is φ = 67260630.

The previous prime is 67260629. The next prime is 67260637. The reversal of 67260631 is 13606276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67260631 - 2¹ = 67260629 is a prime.

It is a super-2 number, since 2×67260631² = 9047984965036322, which contains 22 as substring.

Together with 67260629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 67260593 and 67260602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67260637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33630315 + 33630316.

It is an arithmetic number, because the mean of its divisors is an integer number (33630316).

Almost surely, 2^67260631 is an apocalyptic number.

67260631 is a deficient number, since it is larger than the sum of its proper divisors (1).

67260631 is an equidigital number, since it uses as much as digits as its factorization.

67260631 is an evil number, because the sum of its binary digits is even.

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

The square root of 67260631 is about 8201.2578913237. The cubic root of 67260631 is about 406.6807780495.

The spelling of 67260631 in words is "sixty-seven million, two hundred sixty thousand, six hundred thirty-one".