36539968 has 14 divisors (see below), whose sum is σ = 72509126. Its totient is φ = 18269952.

The previous prime is 36539959. The next prime is 36539977. The reversal of 36539968 is 86993563.

It is an interprime number because it is at equal distance from previous prime (36539959) and next prime (36539977).

It can be written as a sum of positive squares in only one way, i.e., 34668544 + 1871424 = 5888^2 + 1368^2 .

It is a super-2 number, since 2×36539968² = 2670338522882048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285405 + ... + 285532.

Almost surely, 2^36539968 is an apocalyptic number.

It is an amenable number.

36539968 is a deficient number, since it is larger than the sum of its proper divisors (35969158).

36539968 is an equidigital number, since it uses as much as digits as its factorization.

36539968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570949 (or 570939 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 36539968 is about 6044.8298569935. The cubic root of 36539968 is about 331.8354049369.

The spelling of 36539968 in words is "thirty-six million, five hundred thirty-nine thousand, nine hundred sixty-eight".