64741405 has 8 divisors (see below), whose sum is σ = 78257592. Its totient is φ = 51414528.

The previous prime is 64741403. The next prime is 64741433. The reversal of 64741405 is 50414746.

It can be written as a sum of positive squares in 4 ways, for example, as 19945156 + 44796249 = 4466^2 + 6693^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64741405 - 2¹ = 64741403 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 (64741403) 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, 46572 + ... + 47941.

It is an arithmetic number, because the mean of its divisors is an integer number (9782199).

Almost surely, 2^64741405 is an apocalyptic number.

It is an amenable number.

64741405 is a deficient number, since it is larger than the sum of its proper divisors (13516187).

64741405 is a wasteful number, since it uses less digits than its factorization.

64741405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94655.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 64741405 is about 8046.2043846773. The cubic root of 64741405 is about 401.5386674173.

The spelling of 64741405 in words is "sixty-four million, seven hundred forty-one thousand, four hundred five".