64773245 has 8 divisors (see below), whose sum is σ = 77906016. Its totient is φ = 51699856.

The previous prime is 64773239. The next prime is 64773263. The reversal of 64773245 is 54237746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64773245 - 2¹⁸ = 64511101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64773199 and 64773208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12407 + ... + 16836.

It is an arithmetic number, because the mean of its divisors is an integer number (9738252).

Almost surely, 2^64773245 is an apocalyptic number.

It is an amenable number.

64773245 is a deficient number, since it is larger than the sum of its proper divisors (13132771).

64773245 is a wasteful number, since it uses less digits than its factorization.

64773245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29691.

The product of its digits is 141120, while the sum is 38.

The square root of 64773245 is about 8048.1827141287. The cubic root of 64773245 is about 401.6044825673.

The spelling of 64773245 in words is "sixty-four million, seven hundred seventy-three thousand, two hundred forty-five".