64841842 has 16 divisors (see below), whose sum is σ = 110906712. Its totient is φ = 28166400.

The previous prime is 64841839. The next prime is 64841867. The reversal of 64841842 is 24814846.

It can be written as a sum of positive squares in 4 ways, for example, as 58844241 + 5997601 = 7671^2 + 2449^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72909 + ... + 73792.

Almost surely, 2^64841842 is an apocalyptic number.

64841842 is a deficient number, since it is larger than the sum of its proper divisors (46064870).

64841842 is a wasteful number, since it uses less digits than its factorization.

64841842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146733.

The product of its digits is 49152, while the sum is 37.

The square root of 64841842 is about 8052.4432317155. The cubic root of 64841842 is about 401.7462033419.

The spelling of 64841842 in words is "sixty-four million, eight hundred forty-one thousand, eight hundred forty-two".