73267631 has 2 divisors, whose sum is σ = 73267632. Its totient is φ = 73267630.

The previous prime is 73267619. The next prime is 73267633. The reversal of 73267631 is 13676237.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73267631 - 2¹⁰ = 73266607 is a prime.

It is a super-2 number, since 2×73267631² = 10736291504704322, which contains 22 as substring.

Together with 73267633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73267591 and 73267600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73267633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36633815 + 36633816.

It is an arithmetic number, because the mean of its divisors is an integer number (36633816).

Almost surely, 2^73267631 is an apocalyptic number.

73267631 is a deficient number, since it is larger than the sum of its proper divisors (1).

73267631 is an equidigital number, since it uses as much as digits as its factorization.

73267631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 35.

The square root of 73267631 is about 8559.6513363571. The cubic root of 73267631 is about 418.4440368103. Note that the first 3 decimals are identical.

The spelling of 73267631 in words is "seventy-three million, two hundred sixty-seven thousand, six hundred thirty-one".