36731731 has 8 divisors (see below), whose sum is σ = 38725200. Its totient is φ = 34744320.

The previous prime is 36731729. The next prime is 36731753. The reversal of 36731731 is 13713763.

36731731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36731731 - 2¹ = 36731729 is a prime.

It is a super-2 number, since 2×36731731² = 2698440124512722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36731693 and 36731702.

It is not an unprimeable number, because it can be changed into a prime (36731701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16611 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (4840650).

Almost surely, 2^36731731 is an apocalyptic number.

36731731 is a deficient number, since it is larger than the sum of its proper divisors (1993469).

36731731 is a wasteful number, since it uses less digits than its factorization.

36731731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029.

The product of its digits is 7938, while the sum is 31.

The square root of 36731731 is about 6060.6708374569. The cubic root of 36731731 is about 332.4148869150.

The spelling of 36731731 in words is "thirty-six million, seven hundred thirty-one thousand, seven hundred thirty-one".