65479618 has 4 divisors (see below), whose sum is σ = 98219430. Its totient is φ = 32739808.

The previous prime is 65479607. The next prime is 65479619. The reversal of 65479618 is 81697456.

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., 62141689 + 3337929 = 7883^2 + 1827^2 .

It is not an unprimeable number, because it can be changed into a prime (65479619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16369903 + ... + 16369906.

Almost surely, 2^65479618 is an apocalyptic number.

65479618 is a deficient number, since it is larger than the sum of its proper divisors (32739812).

65479618 is a wasteful number, since it uses less digits than its factorization.

65479618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32739811.

The product of its digits is 362880, while the sum is 46.

The square root of 65479618 is about 8091.9477259804. The cubic root of 65479618 is about 403.0590828904.

The spelling of 65479618 in words is "sixty-five million, four hundred seventy-nine thousand, six hundred eighteen".