64381461 has 8 divisors (see below), whose sum is σ = 86389344. Its totient is φ = 42647280.

The previous prime is 64381459. The next prime is 64381469. The reversal of 64381461 is 16418346.

64381461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64381461 - 2¹ = 64381459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64381469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67875 + ... + 68816.

It is an arithmetic number, because the mean of its divisors is an integer number (10798668).

Almost surely, 2^64381461 is an apocalyptic number.

It is an amenable number.

64381461 is a deficient number, since it is larger than the sum of its proper divisors (22007883).

64381461 is a wasteful number, since it uses less digits than its factorization.

64381461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136851.

The product of its digits is 13824, while the sum is 33.

The square root of 64381461 is about 8023.8058924677. The cubic root of 64381461 is about 400.7931367126.

The spelling of 64381461 in words is "sixty-four million, three hundred eighty-one thousand, four hundred sixty-one".