61910804 has 12 divisors (see below), whose sum is σ = 114717204. Its totient is φ = 29134464.

The previous prime is 61910777. The next prime is 61910809. The reversal of 61910804 is 40801916.

61910804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20976400 + 40934404 = 4580^2 + 6398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61910809) 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 3 ways as a sum of consecutive naturals, for example, 455159 + ... + 455294.

It is an arithmetic number, because the mean of its divisors is an integer number (9559767).

Almost surely, 2^61910804 is an apocalyptic number.

It is an amenable number.

61910804 is a deficient number, since it is larger than the sum of its proper divisors (52806400).

61910804 is a wasteful number, since it uses less digits than its factorization.

61910804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910474 (or 910472 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 61910804 is about 7868.3418837770. The cubic root of 61910804 is about 395.5992698231.

The spelling of 61910804 in words is "sixty-one million, nine hundred ten thousand, eight hundred four".