64265018 has 4 divisors (see below), whose sum is σ = 96397530. Its totient is φ = 32132508.

The previous prime is 64265017. The next prime is 64265029. The reversal of 64265018 is 81056246.

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., 40284409 + 23980609 = 6347^2 + 4897^2 .

It is not an unprimeable number, because it can be changed into a prime (64265017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16066253 + ... + 16066256.

Almost surely, 2^64265018 is an apocalyptic number.

64265018 is a deficient number, since it is larger than the sum of its proper divisors (32132512).

64265018 is a wasteful number, since it uses less digits than its factorization.

64265018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32132511.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 64265018 is about 8016.5465133061. The cubic root of 64265018 is about 400.5513604882.

The spelling of 64265018 in words is "sixty-four million, two hundred sixty-five thousand, eighteen".