36991068 has 24 divisors (see below), whose sum is σ = 88150272. Its totient is φ = 12067824.

The previous prime is 36991049. The next prime is 36991079. The reversal of 36991068 is 86019963.

It is a super-2 number, since 2×36991068² = 2736678223561248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 32230 + ... + 33357.

It is an arithmetic number, because the mean of its divisors is an integer number (3672928).

Almost surely, 2^36991068 is an apocalyptic number.

It is an amenable number.

36991068 is an abundant number, since it is smaller than the sum of its proper divisors (51159204).

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

36991068 is a wasteful number, since it uses less digits than its factorization.

36991068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65641 (or 65639 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 36991068 is about 6082.0282801052. The cubic root of 36991068 is about 333.1953691277.

The spelling of 36991068 in words is "thirty-six million, nine hundred ninety-one thousand, sixty-eight".