64504307 has 8 divisors (see below), whose sum is σ = 78055776. Its totient is φ = 52036992.

The previous prime is 64504303. The next prime is 64504313. The reversal of 64504307 is 70340546.

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

It is not a de Polignac number, because 64504307 - 2² = 64504303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64504307.

It is not an unprimeable number, because it can be changed into a prime (64504303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270908 + ... + 271145.

It is an arithmetic number, because the mean of its divisors is an integer number (9756972).

Almost surely, 2^64504307 is an apocalyptic number.

64504307 is a deficient number, since it is larger than the sum of its proper divisors (13551469).

64504307 is a wasteful number, since it uses less digits than its factorization.

64504307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542077.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 64504307 is about 8031.4573397360. The cubic root of 64504307 is about 401.0478919920.

The spelling of 64504307 in words is "sixty-four million, five hundred four thousand, three hundred seven".