36820505 has 8 divisors (see below), whose sum is σ = 45124992. Its totient is φ = 28829488.

The previous prime is 36820481. The next prime is 36820523. The reversal of 36820505 is 50502863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36820505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78107 + ... + 78576.

It is an arithmetic number, because the mean of its divisors is an integer number (5640624).

Almost surely, 2^36820505 is an apocalyptic number.

It is an amenable number.

36820505 is a deficient number, since it is larger than the sum of its proper divisors (8304487).

36820505 is a wasteful number, since it uses less digits than its factorization.

36820505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156735.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 36820505 is about 6067.9901944548. The cubic root of 36820505 is about 332.6824671691.

The spelling of 36820505 in words is "thirty-six million, eight hundred twenty thousand, five hundred five".