61330927 has 16 divisors (see below), whose sum is σ = 72916992. Its totient is φ = 50477760.

The previous prime is 61330909. The next prime is 61330931. The reversal of 61330927 is 72903316.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61330927 is a prime.

It is a super-2 number, since 2×61330927² = 7522965213358658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61330987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28698 + ... + 30760.

It is an arithmetic number, because the mean of its divisors is an integer number (4557312).

Almost surely, 2^61330927 is an apocalyptic number.

61330927 is a deficient number, since it is larger than the sum of its proper divisors (11586065).

61330927 is a wasteful number, since it uses less digits than its factorization.

61330927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 61330927 is about 7831.4064509512. The cubic root of 61330927 is about 394.3602891080.

The spelling of 61330927 in words is "sixty-one million, three hundred thirty thousand, nine hundred twenty-seven".