66762023 has 6 divisors (see below), whose sum is σ = 68616576. Its totient is φ = 64956312.

The previous prime is 66762013. The next prime is 66762041. The reversal of 66762023 is 32026766.

It is not a de Polignac number, because 66762023 - 2⁸ = 66761767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66762013) 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 in 5 ways as a sum of consecutive naturals, for example, 23015 + ... + 25752.

It is an arithmetic number, because the mean of its divisors is an integer number (11436096).

Almost surely, 2^66762023 is an apocalyptic number.

66762023 is a deficient number, since it is larger than the sum of its proper divisors (1854553).

66762023 is an equidigital number, since it uses as much as digits as its factorization.

66762023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48841 (or 48804 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 66762023 is about 8170.8030817050. The cubic root of 66762023 is about 405.6733664310.

Adding to 66762023 its reverse (32026766), we get a palindrome (98788789).

The spelling of 66762023 in words is "sixty-six million, seven hundred sixty-two thousand, twenty-three".