64886242 has 4 divisors (see below), whose sum is σ = 97329366. Its totient is φ = 32443120.

The previous prime is 64886233. The next prime is 64886267. The reversal of 64886242 is 24268846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35628961 + 29257281 = 5969^2 + 5409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64886195 and 64886204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16221559 + ... + 16221562.

Almost surely, 2^64886242 is an apocalyptic number.

64886242 is a deficient number, since it is larger than the sum of its proper divisors (32443124).

64886242 is a wasteful number, since it uses less digits than its factorization.

64886242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32443123.

The product of its digits is 147456, while the sum is 40.

The square root of 64886242 is about 8055.1996871586. The cubic root of 64886242 is about 401.8378800589.

The spelling of 64886242 in words is "sixty-four million, eight hundred eighty-six thousand, two hundred forty-two".