67427461 has 2 divisors, whose sum is σ = 67427462. Its totient is φ = 67427460.

The previous prime is 67427443. The next prime is 67427473. The reversal of 67427461 is 16472476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34869025 + 32558436 = 5905^2 + 5706^2 .

It is a cyclic number.

It is not a de Polignac number, because 67427461 - 2⁵ = 67427429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67427461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67427401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33713730 + 33713731.

It is an arithmetic number, because the mean of its divisors is an integer number (33713731).

Almost surely, 2^67427461 is an apocalyptic number.

It is an amenable number.

67427461 is a deficient number, since it is larger than the sum of its proper divisors (1).

67427461 is an equidigital number, since it uses as much as digits as its factorization.

67427461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 67427461 is about 8211.4225929494. The cubic root of 67427461 is about 407.0167375151.

The spelling of 67427461 in words is "sixty-seven million, four hundred twenty-seven thousand, four hundred sixty-one".