66746054 has 8 divisors (see below), whose sum is σ = 100178208. Its totient is φ = 33353320.

The previous prime is 66746033. The next prime is 66746083. The reversal of 66746054 is 45064766.

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

It is a junction number, because it is equal to n+sod(n) for n = 66745999 and 66746017.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5177 + ... + 12660.

It is an arithmetic number, because the mean of its divisors is an integer number (12522276).

Almost surely, 2^66746054 is an apocalyptic number.

66746054 is a deficient number, since it is larger than the sum of its proper divisors (33432154).

66746054 is a wasteful number, since it uses less digits than its factorization.

66746054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19710.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 66746054 is about 8169.8258243368. The cubic root of 66746054 is about 405.6410191259.

The spelling of 66746054 in words is "sixty-six million, seven hundred forty-six thousand, fifty-four".