36765820 has 48 divisors (see below), whose sum is σ = 95030208. Its totient is φ = 11635200.

The previous prime is 36765803. The next prime is 36765829. The reversal of 36765820 is 2856763.

36765820 = T₂₅₅ + T₂₅₆ + ... + T₆₁₈.

It is a self number, because there is not a number n which added to its sum of digits gives 36765820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36765829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8281 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (1979796).

Almost surely, 2^36765820 is an apocalyptic number.

It is an amenable number.

36765820 is an abundant number, since it is smaller than the sum of its proper divisors (58264388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36765820 is a wasteful number, since it uses less digits than its factorization.

36765820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20230 (or 20228 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 36765820 is about 6063.4824977071. The cubic root of 36765820 is about 332.5176880183.

The spelling of 36765820 in words is "thirty-six million, seven hundred sixty-five thousand, eight hundred twenty".