67272631 has 4 divisors (see below), whose sum is σ = 70197552. Its totient is φ = 64347712.

The previous prime is 67272619. The next prime is 67272637. The reversal of 67272631 is 13627276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67272631 - 2⁵ = 67272599 is a prime.

It is a super-2 number, since 2×67272631² = 9051213763324322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67272637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462426 + ... + 1462471.

It is an arithmetic number, because the mean of its divisors is an integer number (17549388).

Almost surely, 2^67272631 is an apocalyptic number.

67272631 is a deficient number, since it is larger than the sum of its proper divisors (2924921).

67272631 is a wasteful number, since it uses less digits than its factorization.

67272631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924920.

The product of its digits is 21168, while the sum is 34.

The square root of 67272631 is about 8201.9894537850. The cubic root of 67272631 is about 406.7049619794.

The spelling of 67272631 in words is "sixty-seven million, two hundred seventy-two thousand, six hundred thirty-one".