36885780 has 60 divisors (see below), whose sum is σ = 115717140. Its totient is φ = 9835776.

The previous prime is 36885769. The next prime is 36885817. The reversal of 36885780 is 8758863.

It can be written as a sum of positive squares in 2 ways, for example, as 5143824 + 31741956 = 2268^2 + 5634^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9765 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (1928619).

Almost surely, 2^36885780 is an apocalyptic number.

36885780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36885780 is an abundant number, since it is smaller than the sum of its proper divisors (78831360).

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

36885780 is a wasteful number, since it uses less digits than its factorization.

36885780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22790 (or 22779 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 36885780 is about 6073.3664470374. The cubic root of 36885780 is about 332.8789430922.

The spelling of 36885780 in words is "thirty-six million, eight hundred eighty-five thousand, seven hundred eighty".