67464961 has 2 divisors, whose sum is σ = 67464962. Its totient is φ = 67464960.

The previous prime is 67464923. The next prime is 67464997. The reversal of 67464961 is 16946476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58614336 + 8850625 = 7656^2 + 2975^2 .

It is a cyclic number.

It is not a de Polignac number, because 67464961 - 2⁷ = 67464833 is a prime.

It is not a weakly prime, because it can be changed into another prime (67464161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33732480 + 33732481.

It is an arithmetic number, because the mean of its divisors is an integer number (33732481).

Almost surely, 2^67464961 is an apocalyptic number.

It is an amenable number.

67464961 is a deficient number, since it is larger than the sum of its proper divisors (1).

67464961 is an equidigital number, since it uses as much as digits as its factorization.

67464961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 67464961 is about 8213.7056801422. The cubic root of 67464961 is about 407.0921780887.

The spelling of 67464961 in words is "sixty-seven million, four hundred sixty-four thousand, nine hundred sixty-one".