64075047 has 8 divisors (see below), whose sum is σ = 88189440. Its totient is φ = 41338680.

The previous prime is 64075027. The next prime is 64075069. The reversal of 64075047 is 74057046.

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

It is not a de Polignac number, because 64075047 - 2⁷ = 64074919 is a prime.

It is a super-2 number, since 2×64075047² = 8211223296104418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64074999 and 64075017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64075027) 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, 344397 + ... + 344582.

It is an arithmetic number, because the mean of its divisors is an integer number (11023680).

Almost surely, 2^64075047 is an apocalyptic number.

64075047 is a deficient number, since it is larger than the sum of its proper divisors (24114393).

64075047 is a wasteful number, since it uses less digits than its factorization.

64075047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689013.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 64075047 is about 8004.6890632928. The cubic root of 64075047 is about 400.1562868448.

The spelling of 64075047 in words is "sixty-four million, seventy-five thousand, forty-seven".