67715741 has 2 divisors, whose sum is σ = 67715742. Its totient is φ = 67715740.

The previous prime is 67715737. The next prime is 67715759. The reversal of 67715741 is 14751776.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 31595641 = 6010^2 + 5621^2 .

It is a cyclic number.

It is not a de Polignac number, because 67715741 - 2² = 67715737 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 67715695 and 67715704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67715701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33857870 + 33857871.

It is an arithmetic number, because the mean of its divisors is an integer number (33857871).

Almost surely, 2^67715741 is an apocalyptic number.

It is an amenable number.

67715741 is a deficient number, since it is larger than the sum of its proper divisors (1).

67715741 is an equidigital number, since it uses as much as digits as its factorization.

67715741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 38.

The square root of 67715741 is about 8228.9574673831. The cubic root of 67715741 is about 407.5959672104.

Subtracting from 67715741 its sum of digits (38), we obtain a triangular number (67715703 = T₁₁₆₃₇).

The spelling of 67715741 in words is "sixty-seven million, seven hundred fifteen thousand, seven hundred forty-one".