66062774 has 8 divisors (see below), whose sum is σ = 99725808. Its totient is φ = 32820840.

The previous prime is 66062761. The next prime is 66062779. The reversal of 66062774 is 47726066.

It is a happy number.

66062774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×66062774³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66062779) 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 3 ways as a sum of consecutive naturals, for example, 104882 + ... + 105509.

It is an arithmetic number, because the mean of its divisors is an integer number (12465726).

Almost surely, 2^66062774 is an apocalyptic number.

66062774 is a deficient number, since it is larger than the sum of its proper divisors (33663034).

66062774 is a wasteful number, since it uses less digits than its factorization.

66062774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210550.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 66062774 is about 8127.9009590423. The cubic root of 66062774 is about 404.2520851002.

The spelling of 66062774 in words is "sixty-six million, sixty-two thousand, seven hundred seventy-four".