61880723 has 2 divisors, whose sum is σ = 61880724. Its totient is φ = 61880722.

The previous prime is 61880719. The next prime is 61880747. The reversal of 61880723 is 32708816.

61880723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61880723 - 2² = 61880719 is a prime.

It is not a weakly prime, because it can be changed into another prime (61880783) 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, 30940361 + 30940362.

It is an arithmetic number, because the mean of its divisors is an integer number (30940362).

Almost surely, 2^61880723 is an apocalyptic number.

61880723 is a deficient number, since it is larger than the sum of its proper divisors (1).

61880723 is an equidigital number, since it uses as much as digits as its factorization.

61880723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 61880723 is about 7866.4301306247. The cubic root of 61880723 is about 395.5351886574.

The spelling of 61880723 in words is "sixty-one million, eight hundred eighty thousand, seven hundred twenty-three".