36006637 has 4 divisors (see below), whose sum is σ = 36356320. Its totient is φ = 35656956.

The previous prime is 36006631. The next prime is 36006643. The reversal of 36006637 is 73660063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73660063 = 827 ⋅89069.

It is an interprime number because it is at equal distance from previous prime (36006631) and next prime (36006643).

It is a cyclic number.

It is not a de Polignac number, because 36006637 - 2²³ = 27618029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36006599 and 36006608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36006631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174687 + ... + 174892.

It is an arithmetic number, because the mean of its divisors is an integer number (9089080).

Almost surely, 2^36006637 is an apocalyptic number.

It is an amenable number.

36006637 is a deficient number, since it is larger than the sum of its proper divisors (349683).

36006637 is a wasteful number, since it uses less digits than its factorization.

36006637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349682.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 36006637 is about 6000.5530578439. The cubic root of 36006637 is about 330.2130152085.

The spelling of 36006637 in words is "thirty-six million, six thousand, six hundred thirty-seven".