66104750 has 32 divisors (see below), whose sum is σ = 125180640. Its totient is φ = 26136000.

The previous prime is 66104749. The next prime is 66104761. The reversal of 66104750 is 5740166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20765 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (3911895).

Almost surely, 2^66104750 is an apocalyptic number.

66104750 is a deficient number, since it is larger than the sum of its proper divisors (59075890).

66104750 is a wasteful number, since it uses less digits than its factorization.

66104750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077 (or 3067 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 66104750 is about 8130.4827654943. The cubic root of 66104750 is about 404.3376869794.

The spelling of 66104750 in words is "sixty-six million, one hundred four thousand, seven hundred fifty".