64863562 has 4 divisors (see below), whose sum is σ = 97295346. Its totient is φ = 32431780.

The previous prime is 64863559. The next prime is 64863577. The reversal of 64863562 is 26536846.

It is a happy number.

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., 62900761 + 1962801 = 7931^2 + 1401^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16215889 + ... + 16215892.

Almost surely, 2^64863562 is an apocalyptic number.

64863562 is a deficient number, since it is larger than the sum of its proper divisors (32431784).

64863562 is a wasteful number, since it uses less digits than its factorization.

64863562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32431783.

The product of its digits is 207360, while the sum is 40.

The square root of 64863562 is about 8053.7917777901. The cubic root of 64863562 is about 401.7910558278.

The spelling of 64863562 in words is "sixty-four million, eight hundred sixty-three thousand, five hundred sixty-two".