65893739 has 2 divisors, whose sum is σ = 65893740. Its totient is φ = 65893738.

The previous prime is 65893727. The next prime is 65893769. The reversal of 65893739 is 93739856.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65893739 - 2¹² = 65889643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65893769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32946869 + 32946870.

It is an arithmetic number, because the mean of its divisors is an integer number (32946870).

Almost surely, 2^65893739 is an apocalyptic number.

65893739 is a deficient number, since it is larger than the sum of its proper divisors (1).

65893739 is an equidigital number, since it uses as much as digits as its factorization.

65893739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 65893739 is about 8117.4958577138. The cubic root of 65893739 is about 403.9070036415.

The spelling of 65893739 in words is "sixty-five million, eight hundred ninety-three thousand, seven hundred thirty-nine".