64764305 has 16 divisors (see below), whose sum is σ = 82477440. Its totient is φ = 48652032.

The previous prime is 64764299. The next prime is 64764317. The reversal of 64764305 is 50346746.

It is a cyclic number.

It is not a de Polignac number, because 64764305 - 2⁴ = 64764289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72572 + ... + 73458.

It is an arithmetic number, because the mean of its divisors is an integer number (5154840).

Almost surely, 2^64764305 is an apocalyptic number.

It is an amenable number.

64764305 is a deficient number, since it is larger than the sum of its proper divisors (17713135).

64764305 is a wasteful number, since it uses less digits than its factorization.

64764305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 64764305 is about 8047.6272900775. The cubic root of 64764305 is about 401.5860052404.

The spelling of 64764305 in words is "sixty-four million, seven hundred sixty-four thousand, three hundred five".