65575739 has 2 divisors, whose sum is σ = 65575740. Its totient is φ = 65575738.

The previous prime is 65575703. The next prime is 65575747. The reversal of 65575739 is 93757556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65575739 - 2⁸ = 65575483 is a prime.

It is a super-2 number, since 2×65575739² = 8600355090792242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65575693 and 65575702.

It is not a weakly prime, because it can be changed into another prime (65575759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32787869 + 32787870.

It is an arithmetic number, because the mean of its divisors is an integer number (32787870).

Almost surely, 2^65575739 is an apocalyptic number.

65575739 is a deficient number, since it is larger than the sum of its proper divisors (1).

65575739 is an equidigital number, since it uses as much as digits as its factorization.

65575739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 992250, while the sum is 47.

The square root of 65575739 is about 8097.8848472919. The cubic root of 65575739 is about 403.2562103904.

The spelling of 65575739 in words is "sixty-five million, five hundred seventy-five thousand, seven hundred thirty-nine".