48728618 has 8 divisors (see below), whose sum is σ = 73131012. Its totient is φ = 24351616.

The previous prime is 48728611. The next prime is 48728653. The reversal of 48728618 is 81682784.

48728618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39100009 + 9628609 = 6253^2 + 3103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48728611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455 + ... + 9882.

Almost surely, 2^48728618 is an apocalyptic number.

48728618 is a deficient number, since it is larger than the sum of its proper divisors (24402394).

48728618 is a wasteful number, since it uses less digits than its factorization.

48728618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696.

The product of its digits is 172032, while the sum is 44.

The square root of 48728618 is about 6980.5886571263. The cubic root of 48728618 is about 365.2537623588.

The spelling of 48728618 in words is "forty-eight million, seven hundred twenty-eight thousand, six hundred eighteen".