65406743 has 2 divisors, whose sum is σ = 65406744. Its totient is φ = 65406742.

The previous prime is 65406697. The next prime is 65406749. The reversal of 65406743 is 34760456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65406743 - 2¹⁰ = 65405719 is a prime.

It is a super-3 number, since 3×65406743³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65406749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32703371 + 32703372.

It is an arithmetic number, because the mean of its divisors is an integer number (32703372).

Almost surely, 2^65406743 is an apocalyptic number.

65406743 is a deficient number, since it is larger than the sum of its proper divisors (1).

65406743 is an equidigital number, since it uses as much as digits as its factorization.

65406743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 65406743 is about 8087.4435392156. The cubic root of 65406743 is about 402.9095002920.

The spelling of 65406743 in words is "sixty-five million, four hundred six thousand, seven hundred forty-three".