36975681 has 12 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 24625080.

The previous prime is 36975677. The next prime is 36975683. The reversal of 36975681 is 18657963.

It is a happy number.

It is not a de Polignac number, because 36975681 - 2² = 36975677 is a prime.

It is a super-2 number, since 2×36975681² = 2734401970827522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36975683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12240 + ... + 14958.

It is an arithmetic number, because the mean of its divisors is an integer number (4455360).

Almost surely, 2^36975681 is an apocalyptic number.

It is an amenable number.

36975681 is a deficient number, since it is larger than the sum of its proper divisors (16488639).

36975681 is a wasteful number, since it uses less digits than its factorization.

36975681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4233 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 36975681 is about 6080.7631922317. The cubic root of 36975681 is about 333.1491634854.

The spelling of 36975681 in words is "thirty-six million, nine hundred seventy-five thousand, six hundred eighty-one".