64590471 has 12 divisors (see below), whose sum is σ = 101779080. Its totient is φ = 39145680.

The previous prime is 64590469. The next prime is 64590499. The reversal of 64590471 is 17409546.

64590471 is a `hidden beast` number, since 64 + 590 + 4 + 7 + 1 = 666.

It is not a de Polignac number, because 64590471 - 2¹ = 64590469 is a prime.

It is a super-3 number, since 3×64590471³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64590571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326116 + ... + 326313.

It is an arithmetic number, because the mean of its divisors is an integer number (8481590).

Almost surely, 2^64590471 is an apocalyptic number.

64590471 is a deficient number, since it is larger than the sum of its proper divisors (37188609).

64590471 is a wasteful number, since it uses less digits than its factorization.

64590471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652446 (or 652443 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 64590471 is about 8036.8197068243. The cubic root of 64590471 is about 401.2263840295.

The spelling of 64590471 in words is "sixty-four million, five hundred ninety thousand, four hundred seventy-one".