36731720 has 32 divisors (see below), whose sum is σ = 83187000. Its totient is φ = 14596608.

The previous prime is 36731711. The next prime is 36731729. The reversal of 36731720 is 2713763.

It is an interprime number because it is at equal distance from previous prime (36731711) and next prime (36731729).

It can be written as a sum of positive squares in 4 ways, for example, as 23174596 + 13557124 = 4814^2 + 3682^2 .

It is not an unprimeable number, because it can be changed into a prime (36731729) 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 7 ways as a sum of consecutive naturals, for example, 3356 + ... + 9204.

Almost surely, 2^36731720 is an apocalyptic number.

It is an amenable number.

36731720 is an abundant number, since it is smaller than the sum of its proper divisors (46455280).

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

36731720 is a wasteful number, since it uses less digits than its factorization.

36731720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017 (or 6013 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 36731720 is about 6060.6699299665. The cubic root of 36731720 is about 332.4148537324.

The spelling of 36731720 in words is "thirty-six million, seven hundred thirty-one thousand, seven hundred twenty".