61702427 has 2 divisors, whose sum is σ = 61702428. Its totient is φ = 61702426.

The previous prime is 61702411. The next prime is 61702429. The reversal of 61702427 is 72420716.

61702427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61702427 - 2⁴ = 61702411 is a prime.

Together with 61702429, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61702427.

It is not a weakly prime, because it can be changed into another prime (61702429) 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 as a sum of consecutive naturals, namely, 30851213 + 30851214.

It is an arithmetic number, because the mean of its divisors is an integer number (30851214).

Almost surely, 2^61702427 is an apocalyptic number.

61702427 is a deficient number, since it is larger than the sum of its proper divisors (1).

61702427 is an equidigital number, since it uses as much as digits as its factorization.

61702427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 61702427 is about 7855.0892420137. The cubic root of 61702427 is about 395.1549400175.

The spelling of 61702427 in words is "sixty-one million, seven hundred two thousand, four hundred twenty-seven".