64814741 has 2 divisors, whose sum is σ = 64814742. Its totient is φ = 64814740.

The previous prime is 64814731. The next prime is 64814749. The reversal of 64814741 is 14741846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 23726641 = 6410^2 + 4871^2 .

It is a cyclic number.

It is not a de Polignac number, because 64814741 - 2⁶ = 64814677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64814749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32407370 + 32407371.

It is an arithmetic number, because the mean of its divisors is an integer number (32407371).

Almost surely, 2^64814741 is an apocalyptic number.

It is an amenable number.

64814741 is a deficient number, since it is larger than the sum of its proper divisors (1).

64814741 is an equidigital number, since it uses as much as digits as its factorization.

64814741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The square root of 64814741 is about 8050.7602746573. The cubic root of 64814741 is about 401.6902248732.

The spelling of 64814741 in words is "sixty-four million, eight hundred fourteen thousand, seven hundred forty-one".