36670381 has 8 divisors (see below), whose sum is σ = 40336128. Its totient is φ = 33335500.

The previous prime is 36670351. The next prime is 36670393. The reversal of 36670381 is 18307663.

It is not a de Polignac number, because 36670381 - 2⁷ = 36670253 is a prime.

It is a super-2 number, since 2×36670381² = 2689433685370322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36670301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12445 + ... + 15106.

It is an arithmetic number, because the mean of its divisors is an integer number (5042016).

Almost surely, 2^36670381 is an apocalyptic number.

It is an amenable number.

36670381 is a deficient number, since it is larger than the sum of its proper divisors (3665747).

36670381 is an equidigital number, since it uses as much as digits as its factorization.

36670381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27584 (or 27562 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 36670381 is about 6055.6074014090. The cubic root of 36670381 is about 332.2297153367.

The spelling of 36670381 in words is "thirty-six million, six hundred seventy thousand, three hundred eighty-one".