64076471 has 4 divisors (see below), whose sum is σ = 64308072. Its totient is φ = 63844872.

The previous prime is 64076461. The next prime is 64076479. The reversal of 64076471 is 17467046.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64076471 is a prime.

It is a super-3 number, since 3×64076471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64076479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115385 + ... + 115938.

It is an arithmetic number, because the mean of its divisors is an integer number (16077018).

Almost surely, 2^64076471 is an apocalyptic number.

64076471 is a deficient number, since it is larger than the sum of its proper divisors (231601).

64076471 is a wasteful number, since it uses less digits than its factorization.

64076471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231600.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 64076471 is about 8004.7780106634. The cubic root of 64076471 is about 400.1592511726.

The spelling of 64076471 in words is "sixty-four million, seventy-six thousand, four hundred seventy-one".