61764023 has 2 divisors, whose sum is σ = 61764024. Its totient is φ = 61764022.

The previous prime is 61764013. The next prime is 61764049. The reversal of 61764023 is 32046716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61764023 - 2⁶ = 61763959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61764013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30882011 + 30882012.

It is an arithmetic number, because the mean of its divisors is an integer number (30882012).

Almost surely, 2^61764023 is an apocalyptic number.

61764023 is a deficient number, since it is larger than the sum of its proper divisors (1).

61764023 is an equidigital number, since it uses as much as digits as its factorization.

61764023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 61764023 is about 7859.0090342231. The cubic root of 61764023 is about 395.2863874069.

The spelling of 61764023 in words is "sixty-one million, seven hundred sixty-four thousand, twenty-three".