66741254 has 12 divisors (see below), whose sum is σ = 101414124. Its totient is φ = 32942052.

The previous prime is 66741251. The next prime is 66741271. The reversal of 66741254 is 45214766.

66741254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66741251) 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 in 5 ways as a sum of consecutive naturals, for example, 9809 + ... + 15155.

It is an arithmetic number, because the mean of its divisors is an integer number (8451177).

Almost surely, 2^66741254 is an apocalyptic number.

66741254 is a deficient number, since it is larger than the sum of its proper divisors (34672870).

66741254 is an equidigital number, since it uses as much as digits as its factorization.

66741254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507 (or 5428 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 66741254 is about 8169.5320551424. The cubic root of 66741254 is about 405.6312950876.

The spelling of 66741254 in words is "sixty-six million, seven hundred forty-one thousand, two hundred fifty-four".