61000027 has 8 divisors (see below), whose sum is σ = 66723840. Its totient is φ = 55305960.

The previous prime is 61000003. The next prime is 61000039. The reversal of 61000027 is 72000016.

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

It is a cyclic number.

It is not a de Polignac number, because 61000027 - 2¹⁵ = 60967259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61000727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3027 + ... + 11452.

It is an arithmetic number, because the mean of its divisors is an integer number (8340480).

Almost surely, 2^61000027 is an apocalyptic number.

61000027 is a deficient number, since it is larger than the sum of its proper divisors (5723813).

61000027 is a wasteful number, since it uses less digits than its factorization.

61000027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14873.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 61000027 is about 7810.2514044043. The cubic root of 61000027 is about 393.6497763897.

The spelling of 61000027 in words is "sixty-one million, twenty-seven", and thus it is an aban number and an uban number.