61420927 has 8 divisors (see below), whose sum is σ = 63684000. Its totient is φ = 59167584.

The previous prime is 61420921. The next prime is 61420937. The reversal of 61420927 is 72902416.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61420927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61420921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11949 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (7960500).

Almost surely, 2^61420927 is an apocalyptic number.

61420927 is a deficient number, since it is larger than the sum of its proper divisors (2263073).

61420927 is a wasteful number, since it uses less digits than its factorization.

With its successor (61420928) it forms an eRAP, since the sums of their prime factors are consecutive (4865 and 4866).

61420927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 61420927 is about 7837.1504387756. The cubic root of 61420927 is about 394.5530960152.

The spelling of 61420927 in words is "sixty-one million, four hundred twenty thousand, nine hundred twenty-seven".