36547618 has 4 divisors (see below), whose sum is σ = 54821430. Its totient is φ = 18273808.

The previous prime is 36547613. The next prime is 36547649. The reversal of 36547618 is 81674563.

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., 28270489 + 8277129 = 5317^2 + 2877^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (36547613) 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 as a sum of consecutive naturals, namely, 9136903 + ... + 9136906.

Almost surely, 2^36547618 is an apocalyptic number.

36547618 is a deficient number, since it is larger than the sum of its proper divisors (18273812).

36547618 is a wasteful number, since it uses less digits than its factorization.

36547618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273811.

The product of its digits is 120960, while the sum is 40.

The square root of 36547618 is about 6045.4625960302. The cubic root of 36547618 is about 331.8585609845.

The spelling of 36547618 in words is "thirty-six million, five hundred forty-seven thousand, six hundred eighteen".