36618536 has 8 divisors (see below), whose sum is σ = 68659770. Its totient is φ = 18309264.

The previous prime is 36618509. The next prime is 36618581. The reversal of 36618536 is 63581663.

It can be written as a sum of positive squares in only one way, i.e., 36120100 + 498436 = 6010^2 + 706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 36618536.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2288651 + ... + 2288666.

Almost surely, 2^36618536 is an apocalyptic number.

It is an amenable number.

36618536 is a deficient number, since it is larger than the sum of its proper divisors (32041234).

36618536 is a wasteful number, since it uses less digits than its factorization.

36618536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577323 (or 4577319 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 36618536 is about 6051.3251441317. The cubic root of 36618536 is about 332.0730714470.

The spelling of 36618536 in words is "thirty-six million, six hundred eighteen thousand, five hundred thirty-six".