64741 has 4 divisors (see below), whose sum is σ = 65484. Its totient is φ = 64000.

The previous prime is 64717. The next prime is 64747. The reversal of 64741 is 14746.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 4225 = 246^2 + 65^2 .

It is a 5-Lehmer number, since φ(64741) divides (64741-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 64741 - 2⁵ = 64709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220 + ... + 421.

It is an arithmetic number, because the mean of its divisors is an integer number (16371).

2⁶⁴⁷⁴¹ is an apocalyptic number.

It is an amenable number.

64741 is a deficient number, since it is larger than the sum of its proper divisors (743).

64741 is a wasteful number, since it uses less digits than its factorization.

64741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 672, while the sum is 22.

The square root of 64741 is about 254.4425278919. The cubic root of 64741 is about 40.1537830120.

The spelling of 64741 in words is "sixty-four thousand, seven hundred forty-one".