64713471 has 8 divisors (see below), whose sum is σ = 89260080. Its totient is φ = 41654592.

The previous prime is 64713469. The next prime is 64713499. The reversal of 64713471 is 17431746.

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

It is not a de Polignac number, because 64713471 - 2¹ = 64713469 is a prime.

It is a super-3 number, since 3×64713471³ (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 (64713401) 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, 371830 + ... + 372003.

It is an arithmetic number, because the mean of its divisors is an integer number (11157510).

Almost surely, 2^64713471 is an apocalyptic number.

64713471 is a deficient number, since it is larger than the sum of its proper divisors (24546609).

64713471 is a wasteful number, since it uses less digits than its factorization.

64713471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743865.

The product of its digits is 14112, while the sum is 33.

The square root of 64713471 is about 8044.4683478773. The cubic root of 64713471 is about 401.4809084261.

The spelling of 64713471 in words is "sixty-four million, seven hundred thirteen thousand, four hundred seventy-one".