67396541 has 2 divisors, whose sum is σ = 67396542. Its totient is φ = 67396540.

The previous prime is 67396529. The next prime is 67396561. The reversal of 67396541 is 14569376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 729316 = 8165^2 + 854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67396541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67396501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33698270 + 33698271.

It is an arithmetic number, because the mean of its divisors is an integer number (33698271).

Almost surely, 2^67396541 is an apocalyptic number.

It is an amenable number.

67396541 is a deficient number, since it is larger than the sum of its proper divisors (1).

67396541 is an equidigital number, since it uses as much as digits as its factorization.

67396541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 67396541 is about 8209.5396338650. The cubic root of 67396541 is about 406.9545132052.

The spelling of 67396541 in words is "sixty-seven million, three hundred ninety-six thousand, five hundred forty-one".