64746841 has 2 divisors, whose sum is σ = 64746842. Its totient is φ = 64746840.

The previous prime is 64746833. The next prime is 64746859. The reversal of 64746841 is 14864746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 1210000 = 7971^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 64746841 - 2³ = 64746833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64746794 and 64746803.

It is not a weakly prime, because it can be changed into another prime (64747841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32373420 + 32373421.

It is an arithmetic number, because the mean of its divisors is an integer number (32373421).

Almost surely, 2^64746841 is an apocalyptic number.

It is an amenable number.

64746841 is a deficient number, since it is larger than the sum of its proper divisors (1).

64746841 is an equidigital number, since it uses as much as digits as its factorization.

64746841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 64746841 is about 8046.5421766123. The cubic root of 64746841 is about 401.5499054759.

The spelling of 64746841 in words is "sixty-four million, seven hundred forty-six thousand, eight hundred forty-one".