36790991 has 4 divisors (see below), whose sum is σ = 37394184. Its totient is φ = 36187800.

The previous prime is 36790951. The next prime is 36790997. The reversal of 36790991 is 19909763.

It is a happy number.

36790991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36790991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36790997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301505 + ... + 301626.

It is an arithmetic number, because the mean of its divisors is an integer number (9348546).

Almost surely, 2^36790991 is an apocalyptic number.

36790991 is a deficient number, since it is larger than the sum of its proper divisors (603193).

36790991 is an equidigital number, since it uses as much as digits as its factorization.

36790991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603192.

The product of its (nonzero) digits is 91854, while the sum is 44.

The square root of 36790991 is about 6065.5577649545. The cubic root of 36790991 is about 332.5935546192.

The spelling of 36790991 in words is "thirty-six million, seven hundred ninety thousand, nine hundred ninety-one".