36981667 has 8 divisors (see below), whose sum is σ = 38292480. Its totient is φ = 35678280.

The previous prime is 36981653. The next prime is 36981671. The reversal of 36981667 is 76618963.

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 36981667 - 2¹¹ = 36979619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36981617) 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, 9468 + ... + 12790.

It is an arithmetic number, because the mean of its divisors is an integer number (4786560).

Almost surely, 2^36981667 is an apocalyptic number.

36981667 is a deficient number, since it is larger than the sum of its proper divisors (1310813).

36981667 is a wasteful number, since it uses less digits than its factorization.

36981667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713.

The product of its digits is 326592, while the sum is 46.

The square root of 36981667 is about 6081.2553802648. The cubic root of 36981667 is about 333.1671403757.

The spelling of 36981667 in words is "thirty-six million, nine hundred eighty-one thousand, six hundred sixty-seven".