61983673 has 2 divisors, whose sum is σ = 61983674. Its totient is φ = 61983672.

The previous prime is 61983671. The next prime is 61983743. The reversal of 61983673 is 37638916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42341049 + 19642624 = 6507^2 + 4432^2 .

It is a cyclic number.

It is not a de Polignac number, because 61983673 - 2¹ = 61983671 is a prime.

Together with 61983671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61983671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30991836 + 30991837.

It is an arithmetic number, because the mean of its divisors is an integer number (30991837).

Almost surely, 2^61983673 is an apocalyptic number.

It is an amenable number.

61983673 is a deficient number, since it is larger than the sum of its proper divisors (1).

61983673 is an equidigital number, since it uses as much as digits as its factorization.

61983673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 61983673 is about 7872.9710402109. The cubic root of 61983673 is about 395.7544157156.

The spelling of 61983673 in words is "sixty-one million, nine hundred eighty-three thousand, six hundred seventy-three".