36618945 has 32 divisors (see below), whose sum is σ = 65487744. Its totient is φ = 17318400.

The previous prime is 36618943. The next prime is 36618973. The reversal of 36618945 is 54981663.

It is not a de Polignac number, because 36618945 - 2¹ = 36618943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36618897 and 36618906.

It is not an unprimeable number, because it can be changed into a prime (36618941) 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 31 ways as a sum of consecutive naturals, for example, 4059 + ... + 9471.

It is an arithmetic number, because the mean of its divisors is an integer number (2046492).

Almost surely, 2^36618945 is an apocalyptic number.

It is an amenable number.

36618945 is a deficient number, since it is larger than the sum of its proper divisors (28868799).

36618945 is a wasteful number, since it uses less digits than its factorization.

36618945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its digits is 155520, while the sum is 42.

The square root of 36618945 is about 6051.3589382882. The cubic root of 36618945 is about 332.0743077734.

The spelling of 36618945 in words is "thirty-six million, six hundred eighteen thousand, nine hundred forty-five".