73836618 has 16 divisors (see below), whose sum is σ = 147758016. Its totient is φ = 24598080.

The previous prime is 73836583. The next prime is 73836619. The reversal of 73836618 is 81663837.

It is a self number, because there is not a number n which added to its sum of digits gives 73836618.

It is not an unprimeable number, because it can be changed into a prime (73836619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16755 + ... + 20697.

It is an arithmetic number, because the mean of its divisors is an integer number (9234876).

Almost surely, 2^73836618 is an apocalyptic number.

73836618 is an abundant number, since it is smaller than the sum of its proper divisors (73921398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73836618 is a wasteful number, since it uses less digits than its factorization.

73836618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069.

The product of its digits is 145152, while the sum is 42.

The square root of 73836618 is about 8592.8236337074. The cubic root of 73836618 is about 419.5244390556.

The spelling of 73836618 in words is "seventy-three million, eight hundred thirty-six thousand, six hundred eighteen".