61004008 has 16 divisors (see below), whose sum is σ = 123181380. Its totient is φ = 28155648.

The previous prime is 61003993. The next prime is 61004039. The reversal of 61004008 is 80040016.

61004008 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 47914084 + 13089924 = 6922^2 + 3618^2 .

It is an unprimeable number.

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, 293185 + ... + 293392.

Almost surely, 2^61004008 is an apocalyptic number.

It is an amenable number.

61004008 is an abundant number, since it is smaller than the sum of its proper divisors (62177372).

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

61004008 is a wasteful number, since it uses less digits than its factorization.

61004008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586596 (or 586592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 61004008 is about 7810.5062575994. The cubic root of 61004008 is about 393.6583396956.

The spelling of 61004008 in words is "sixty-one million, four thousand, eight".