36633791 has 8 divisors (see below), whose sum is σ = 37282224. Its totient is φ = 35988480.

The previous prime is 36633781. The next prime is 36633797. The reversal of 36633791 is 19733663.

It is a happy number.

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 36633791 - 2¹⁴ = 36617407 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 (36633797) 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, 42521 + ... + 43373.

It is an arithmetic number, because the mean of its divisors is an integer number (4660278).

Almost surely, 2^36633791 is an apocalyptic number.

36633791 is a deficient number, since it is larger than the sum of its proper divisors (648433).

36633791 is an equidigital number, since it uses as much as digits as its factorization.

36633791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561.

The product of its digits is 61236, while the sum is 38.

The square root of 36633791 is about 6052.5854806025. The cubic root of 36633791 is about 332.1191780729.

The spelling of 36633791 in words is "thirty-six million, six hundred thirty-three thousand, seven hundred ninety-one".