64307047 has 8 divisors (see below), whose sum is σ = 73633952. Its totient is φ = 55015200.

The previous prime is 64307029. The next prime is 64307071. The reversal of 64307047 is 74070346.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64307047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64307017) 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, 4704 + ... + 12277.

It is an arithmetic number, because the mean of its divisors is an integer number (9204244).

Almost surely, 2^64307047 is an apocalyptic number.

64307047 is a deficient number, since it is larger than the sum of its proper divisors (9326905).

64307047 is a wasteful number, since it uses less digits than its factorization.

64307047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17529.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 64307047 is about 8019.1674754927. The cubic root of 64307047 is about 400.6386609876.

The spelling of 64307047 in words is "sixty-four million, three hundred seven thousand, forty-seven".