64241457 has 16 divisors (see below), whose sum is σ = 99133440. Its totient is φ = 36243792.

The previous prime is 64241447. The next prime is 64241531. The reversal of 64241457 is 75414246.

It is not a de Polignac number, because 64241457 - 2⁷ = 64241329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64241447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17703 + ... + 21020.

It is an arithmetic number, because the mean of its divisors is an integer number (6195840).

Almost surely, 2^64241457 is an apocalyptic number.

It is an amenable number.

64241457 is a deficient number, since it is larger than the sum of its proper divisors (34891983).

64241457 is a wasteful number, since it uses less digits than its factorization.

64241457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38812.

The product of its digits is 26880, while the sum is 33.

The square root of 64241457 is about 8015.0768555267. The cubic root of 64241457 is about 400.5024041277.

The spelling of 64241457 in words is "sixty-four million, two hundred forty-one thousand, four hundred fifty-seven".