36993680 has 20 divisors (see below), whose sum is σ = 86010492. Its totient is φ = 14797440.

The previous prime is 36993679. The next prime is 36993689. The reversal of 36993680 is 8639963.

It can be written as a sum of positive squares in 2 ways, for example, as 10942864 + 26050816 = 3308^2 + 5104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (36993689) 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 3 ways as a sum of consecutive naturals, for example, 231131 + ... + 231290.

Almost surely, 2^36993680 is an apocalyptic number.

It is an amenable number.

36993680 is an abundant number, since it is smaller than the sum of its proper divisors (49016812).

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

36993680 is a wasteful number, since it uses less digits than its factorization.

36993680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462434 (or 462428 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 36993680 is about 6082.2430073124. The cubic root of 36993680 is about 333.2032114337.

It can be divided in two parts, 36993 and 680, that added together give a palindrome (37673).

The spelling of 36993680 in words is "thirty-six million, nine hundred ninety-three thousand, six hundred eighty".