64527047 has 16 divisors (see below), whose sum is σ = 71961120. Its totient is φ = 57480192.

The previous prime is 64527037. The next prime is 64527101. The reversal of 64527047 is 74072546.

It is a cyclic number.

It is not a de Polignac number, because 64527047 - 2¹⁰ = 64526023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64526998 and 64527016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64527037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49103 + ... + 50399.

It is an arithmetic number, because the mean of its divisors is an integer number (4497570).

Almost surely, 2^64527047 is an apocalyptic number.

64527047 is a deficient number, since it is larger than the sum of its proper divisors (7434073).

64527047 is a wasteful number, since it uses less digits than its factorization.

64527047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 64527047 is about 8032.8728982849. The cubic root of 64527047 is about 401.0950142077.

The spelling of 64527047 in words is "sixty-four million, five hundred twenty-seven thousand, forty-seven".