61836804 has 48 divisors (see below), whose sum is σ = 160888000. Its totient is φ = 20539008.

The previous prime is 61836763. The next prime is 61836809. The reversal of 61836804 is 40863816.

It is a happy number.

61836804 is a `hidden beast` number, since 618 + 36 + 8 + 0 + 4 = 666.

61836804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61836809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35547 + ... + 37245.

Almost surely, 2^61836804 is an apocalyptic number.

It is an amenable number.

61836804 is an abundant number, since it is smaller than the sum of its proper divisors (99051196).

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

61836804 is a wasteful number, since it uses less digits than its factorization.

61836804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 61836804 is about 7863.6380893324. The cubic root of 61836804 is about 395.4415912739.

The spelling of 61836804 in words is "sixty-one million, eight hundred thirty-six thousand, eight hundred four".