64677305 has 48 divisors (see below), whose sum is σ = 99874944. Its totient is φ = 39755520.

The previous prime is 64677281. The next prime is 64677307. The reversal of 64677305 is 50377646.

It is not a de Polignac number, because 64677305 - 2¹⁶ = 64611769 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 (64677307) 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 47 ways as a sum of consecutive naturals, for example, 277469 + ... + 277701.

It is an arithmetic number, because the mean of its divisors is an integer number (2080728).

Almost surely, 2^64677305 is an apocalyptic number.

It is an amenable number.

64677305 is a deficient number, since it is larger than the sum of its proper divisors (35197639).

64677305 is a wasteful number, since it uses less digits than its factorization.

64677305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 64677305 is about 8042.2201536640. The cubic root of 64677305 is about 401.4061034741.

The spelling of 64677305 in words is "sixty-four million, six hundred seventy-seven thousand, three hundred five".