64771414 has 4 divisors (see below), whose sum is σ = 97157124. Its totient is φ = 32385706.

The previous prime is 64771409. The next prime is 64771417. The reversal of 64771414 is 41417746.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64771414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64771417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16192852 + ... + 16192855.

It is an arithmetic number, because the mean of its divisors is an integer number (24289281).

Almost surely, 2^64771414 is an apocalyptic number.

64771414 is a deficient number, since it is larger than the sum of its proper divisors (32385710).

64771414 is a wasteful number, since it uses less digits than its factorization.

64771414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32385709.

The product of its digits is 18816, while the sum is 34.

The square root of 64771414 is about 8048.0689609372. The cubic root of 64771414 is about 401.6006983673.

The spelling of 64771414 in words is "sixty-four million, seven hundred seventy-one thousand, four hundred fourteen".