64484773 has 2 divisors, whose sum is σ = 64484774. Its totient is φ = 64484772.

The previous prime is 64484731. The next prime is 64484807. The reversal of 64484773 is 37748446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51365889 + 13118884 = 7167^2 + 3622^2 .

It is a cyclic number.

It is not a de Polignac number, because 64484773 - 2⁹ = 64484261 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64484713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32242386 + 32242387.

It is an arithmetic number, because the mean of its divisors is an integer number (32242387).

Almost surely, 2^64484773 is an apocalyptic number.

It is an amenable number.

64484773 is a deficient number, since it is larger than the sum of its proper divisors (1).

64484773 is an equidigital number, since it uses as much as digits as its factorization.

64484773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 43.

The square root of 64484773 is about 8030.2411545358. The cubic root of 64484773 is about 401.0074044607.

The spelling of 64484773 in words is "sixty-four million, four hundred eighty-four thousand, seven hundred seventy-three".