61884673 has 2 divisors, whose sum is σ = 61884674. Its totient is φ = 61884672.

The previous prime is 61884661. The next prime is 61884677. The reversal of 61884673 is 37648816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31281649 + 30603024 = 5593^2 + 5532^2 .

It is a cyclic number.

It is not a de Polignac number, because 61884673 - 2²⁵ = 28330241 is a prime.

It is not a weakly prime, because it can be changed into another prime (61884677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30942336 + 30942337.

It is an arithmetic number, because the mean of its divisors is an integer number (30942337).

Almost surely, 2^61884673 is an apocalyptic number.

It is an amenable number.

61884673 is a deficient number, since it is larger than the sum of its proper divisors (1).

61884673 is an equidigital number, since it uses as much as digits as its factorization.

61884673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 61884673 is about 7866.6811934894. The cubic root of 61884673 is about 395.5436044757.

The spelling of 61884673 in words is "sixty-one million, eight hundred eighty-four thousand, six hundred seventy-three".