67472291 has 2 divisors, whose sum is σ = 67472292. Its totient is φ = 67472290.

The previous prime is 67472281. The next prime is 67472351. The reversal of 67472291 is 19227476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67472291 - 2⁶ = 67472227 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67472281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33736145 + 33736146.

It is an arithmetic number, because the mean of its divisors is an integer number (33736146).

Almost surely, 2^67472291 is an apocalyptic number.

67472291 is a deficient number, since it is larger than the sum of its proper divisors (1).

67472291 is an equidigital number, since it uses as much as digits as its factorization.

67472291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 67472291 is about 8214.1518734438. The cubic root of 67472291 is about 407.1069209397.

The spelling of 67472291 in words is "sixty-seven million, four hundred seventy-two thousand, two hundred ninety-one".