36721030 has 16 divisors (see below), whose sum is σ = 66185280. Its totient is φ = 14668992.

The previous prime is 36721007. The next prime is 36721039. The reversal of 36721030 is 3012763.

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

It is a junction number, because it is equal to n+sod(n) for n = 36720992 and 36721010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36721039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7411 + ... + 11329.

It is an arithmetic number, because the mean of its divisors is an integer number (4136580).

Almost surely, 2^36721030 is an apocalyptic number.

36721030 is a deficient number, since it is larger than the sum of its proper divisors (29464250).

36721030 is a wasteful number, since it uses less digits than its factorization.

36721030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 36721030 is about 6059.7879500854. The cubic root of 36721030 is about 332.3826031366.

Adding to 36721030 its reverse (3012763), we get a palindrome (39733793).

The spelling of 36721030 in words is "thirty-six million, seven hundred twenty-one thousand, thirty".