64731363 has 12 divisors (see below), whose sum is σ = 87528600. Its totient is φ = 42552576.

The previous prime is 64731349. The next prime is 64731377. The reversal of 64731363 is 36313746.

It is an interprime number because it is at equal distance from previous prime (64731349) and next prime (64731377).

It is not a de Polignac number, because 64731363 - 2¹³ = 64723171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64731263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13963 + ... + 18011.

It is an arithmetic number, because the mean of its divisors is an integer number (7294050).

Almost surely, 2^64731363 is an apocalyptic number.

64731363 is a deficient number, since it is larger than the sum of its proper divisors (22797237).

64731363 is an equidigital number, since it uses as much as digits as its factorization.

64731363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198 (or 4125 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 64731363 is about 8045.5803395405. The cubic root of 64731363 is about 401.5179055376.

The spelling of 64731363 in words is "sixty-four million, seven hundred thirty-one thousand, three hundred sixty-three".