64796749 has 2 divisors, whose sum is σ = 64796750. Its totient is φ = 64796748.

The previous prime is 64796737. The next prime is 64796761. The reversal of 64796749 is 94769746.

It is a balanced prime because it is at equal distance from previous prime (64796737) and next prime (64796761).

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 22155849 = 6530^2 + 4707^2 .

It is a cyclic number.

It is not a de Polignac number, because 64796749 - 2⁷ = 64796621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64796696 and 64796705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64796729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32398374 + 32398375.

It is an arithmetic number, because the mean of its divisors is an integer number (32398375).

Almost surely, 2^64796749 is an apocalyptic number.

It is an amenable number.

64796749 is a deficient number, since it is larger than the sum of its proper divisors (1).

64796749 is an equidigital number, since it uses as much as digits as its factorization.

64796749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The square root of 64796749 is about 8049.6427871055. The cubic root of 64796749 is about 401.6530528798.

The spelling of 64796749 in words is "sixty-four million, seven hundred ninety-six thousand, seven hundred forty-nine".