36670637 has 4 divisors (see below), whose sum is σ = 36882780. Its totient is φ = 36458496.

The previous prime is 36670633. The next prime is 36670639. The reversal of 36670637 is 73607663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73607663 = 61 ⋅1206683.

It can be written as a sum of positive squares in 2 ways, for example, as 16859236 + 19811401 = 4106^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 36670637 - 2² = 36670633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36670637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36670631) 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, 105812 + ... + 106157.

It is an arithmetic number, because the mean of its divisors is an integer number (9220695).

Almost surely, 2^36670637 is an apocalyptic number.

It is an amenable number.

36670637 is a deficient number, since it is larger than the sum of its proper divisors (212143).

36670637 is a wasteful number, since it uses less digits than its factorization.

36670637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212142.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 36670637 is about 6055.6285388059. The cubic root of 36670637 is about 332.2304884457.

The spelling of 36670637 in words is "thirty-six million, six hundred seventy thousand, six hundred thirty-seven".