36856573 has 4 divisors (see below), whose sum is σ = 39691708. Its totient is φ = 34021440.

The previous prime is 36856559. The next prime is 36856579. The reversal of 36856573 is 37565863.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3193369 + 33663204 = 1787^2 + 5802^2 .

It is a cyclic number.

It is not a de Polignac number, because 36856573 - 2⁵ = 36856541 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 (36856579) 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, 1417548 + ... + 1417573.

It is an arithmetic number, because the mean of its divisors is an integer number (9922927).

Almost surely, 2^36856573 is an apocalyptic number.

It is an amenable number.

36856573 is a deficient number, since it is larger than the sum of its proper divisors (2835135).

36856573 is a wasteful number, since it uses less digits than its factorization.

36856573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835134.

The product of its digits is 453600, while the sum is 43.

The square root of 36856573 is about 6070.9614559804. The cubic root of 36856573 is about 332.7910595179.

The spelling of 36856573 in words is "thirty-six million, eight hundred fifty-six thousand, five hundred seventy-three".