64007047 has 4 divisors (see below), whose sum is σ = 68930680. Its totient is φ = 59083416.

The previous prime is 64007039. The next prime is 64007051. The reversal of 64007047 is 74070046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74070046 = 2 ⋅37035023.

It is a cyclic number.

It is not a de Polignac number, because 64007047 - 2³ = 64007039 is a prime.

It is a super-3 number, since 3×64007047³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64007087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461797 + ... + 2461822.

It is an arithmetic number, because the mean of its divisors is an integer number (17232670).

Almost surely, 2^64007047 is an apocalyptic number.

64007047 is a deficient number, since it is larger than the sum of its proper divisors (4923633).

64007047 is a wasteful number, since it uses less digits than its factorization.

64007047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923632.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 64007047 is about 8000.4404253766. The cubic root of 64007047 is about 400.0146807112.

The spelling of 64007047 in words is "sixty-four million, seven thousand, forty-seven".