67448723 has 2 divisors, whose sum is σ = 67448724. Its totient is φ = 67448722.

The previous prime is 67448687. The next prime is 67448729. The reversal of 67448723 is 32784476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67448723 is a prime.

It is not a weakly prime, because it can be changed into another prime (67448729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33724361 + 33724362.

It is an arithmetic number, because the mean of its divisors is an integer number (33724362).

Almost surely, 2^67448723 is an apocalyptic number.

67448723 is a deficient number, since it is larger than the sum of its proper divisors (1).

67448723 is an equidigital number, since it uses as much as digits as its factorization.

67448723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 41.

The square root of 67448723 is about 8212.7171508582. The cubic root of 67448723 is about 407.0595147470.

The spelling of 67448723 in words is "sixty-seven million, four hundred forty-eight thousand, seven hundred twenty-three".