65007749 has 2 divisors, whose sum is σ = 65007750. Its totient is φ = 65007748.

The previous prime is 65007727. The next prime is 65007769. The reversal of 65007749 is 94770056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 2122849 = 7930^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 65007749 - 2²⁰ = 63959173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65007769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32503874 + 32503875.

It is an arithmetic number, because the mean of its divisors is an integer number (32503875).

Almost surely, 2^65007749 is an apocalyptic number.

It is an amenable number.

65007749 is a deficient number, since it is larger than the sum of its proper divisors (1).

65007749 is an equidigital number, since it uses as much as digits as its factorization.

65007749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 65007749 is about 8062.7383065557. The cubic root of 65007749 is about 402.0885529696.

It can be divided in two parts, 65007 and 749, that added together give a palindrome (65756).

The spelling of 65007749 in words is "sixty-five million, seven thousand, seven hundred forty-nine".