61040006 has 8 divisors (see below), whose sum is σ = 91971264. Its totient is φ = 30382920.

The previous prime is 61039991. The next prime is 61040009. The reversal of 61040006 is 60004016.

61040006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61040009) 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, 67985 + ... + 68876.

It is an arithmetic number, because the mean of its divisors is an integer number (11496408).

Almost surely, 2^61040006 is an apocalyptic number.

61040006 is a deficient number, since it is larger than the sum of its proper divisors (30931258).

61040006 is a wasteful number, since it uses less digits than its factorization.

61040006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137086.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 61040006 is about 7812.8103778346. The cubic root of 61040006 is about 393.7357560649.

The spelling of 61040006 in words is "sixty-one million, forty thousand, six".