36747681 has 8 divisors (see below), whose sum is σ = 49800384. Its totient is φ = 24096720.

The previous prime is 36747677. The next prime is 36747703. The reversal of 36747681 is 18674763.

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

It is not a de Polignac number, because 36747681 - 2² = 36747677 is a prime.

It is a super-2 number, since 2×36747681² = 2700784117755522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36747631) 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, 100221 + ... + 100586.

It is an arithmetic number, because the mean of its divisors is an integer number (6225048).

Almost surely, 2^36747681 is an apocalyptic number.

It is an amenable number.

36747681 is a deficient number, since it is larger than the sum of its proper divisors (13052703).

36747681 is a wasteful number, since it uses less digits than its factorization.

36747681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200871.

The product of its digits is 169344, while the sum is 42.

The square root of 36747681 is about 6061.9865555773. The cubic root of 36747681 is about 332.4629947322.

The spelling of 36747681 in words is "thirty-six million, seven hundred forty-seven thousand, six hundred eighty-one".