64464773 has 2 divisors, whose sum is σ = 64464774. Its totient is φ = 64464772.

The previous prime is 64464761. The next prime is 64464797. The reversal of 64464773 is 37746446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54434884 + 10029889 = 7378^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 64464773 - 2¹⁴ = 64448389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64464773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64464703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32232386 + 32232387.

It is an arithmetic number, because the mean of its divisors is an integer number (32232387).

Almost surely, 2^64464773 is an apocalyptic number.

It is an amenable number.

64464773 is a deficient number, since it is larger than the sum of its proper divisors (1).

64464773 is an equidigital number, since it uses as much as digits as its factorization.

64464773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 41.

The square root of 64464773 is about 8028.9957653495. The cubic root of 64464773 is about 400.9659425930.

The spelling of 64464773 in words is "sixty-four million, four hundred sixty-four thousand, seven hundred seventy-three".