67396057 has 2 divisors, whose sum is σ = 67396058. Its totient is φ = 67396056.

The previous prime is 67396013. The next prime is 67396207. The reversal of 67396057 is 75069376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66846976 + 549081 = 8176^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 67396057 - 2¹¹ = 67394009 is a prime.

It is equal to p_3973777 and since 67396057 and 3973777 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (67396657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33698028 + 33698029.

It is an arithmetic number, because the mean of its divisors is an integer number (33698029).

Almost surely, 2^67396057 is an apocalyptic number.

It is an amenable number.

67396057 is a deficient number, since it is larger than the sum of its proper divisors (1).

67396057 is an equidigital number, since it uses as much as digits as its factorization.

67396057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 67396057 is about 8209.5101559106. The cubic root of 67396057 is about 406.9535390382.

The spelling of 67396057 in words is "sixty-seven million, three hundred ninety-six thousand, fifty-seven".