36720337 has 4 divisors (see below), whose sum is σ = 37904896. Its totient is φ = 35535780.

The previous prime is 36720319. The next prime is 36720347. The reversal of 36720337 is 73302763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36720337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1184527 = 36720337 / (3 + 6 + 7 + 2 + 0 + 3 + 3 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36720299 and 36720308.

It is not an unprimeable number, because it can be changed into a prime (36720347) 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, 592233 + ... + 592294.

It is an arithmetic number, because the mean of its divisors is an integer number (9476224).

Almost surely, 2^36720337 is an apocalyptic number.

It is an amenable number.

36720337 is a deficient number, since it is larger than the sum of its proper divisors (1184559).

36720337 is a wasteful number, since it uses less digits than its factorization.

36720337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184558.

The product of its (nonzero) digits is 15876, while the sum is 31.

The square root of 36720337 is about 6059.7307695969. The cubic root of 36720337 is about 332.3805122131.

The spelling of 36720337 in words is "thirty-six million, seven hundred twenty thousand, three hundred thirty-seven".