64747413 has 12 divisors (see below), whose sum is σ = 95058028. Its totient is φ = 42456960.

The previous prime is 64747357. The next prime is 64747439. The reversal of 64747413 is 31474746.

It is a happy number.

64747413 is a `hidden beast` number, since 647 + 4 + 7 + 4 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24830289 + 39917124 = 4983^2 + 6318^2 .

It is not a de Polignac number, because 64747413 - 2⁸ = 64747157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64747453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58420 + ... + 59517.

Almost surely, 2^64747413 is an apocalyptic number.

It is an amenable number.

64747413 is a deficient number, since it is larger than the sum of its proper divisors (30310615).

64747413 is a wasteful number, since it uses less digits than its factorization.

64747413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118004 (or 118001 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 64747413 is about 8046.5777197514. The cubic root of 64747413 is about 401.5510879576.

The spelling of 64747413 in words is "sixty-four million, seven hundred forty-seven thousand, four hundred thirteen".