66703948 has 12 divisors (see below), whose sum is σ = 117506032. Its totient is φ = 33130800.

The previous prime is 66703919. The next prime is 66703957. The reversal of 66703948 is 84930766.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54615 + ... + 55822.

Almost surely, 2^66703948 is an apocalyptic number.

It is an amenable number.

66703948 is a deficient number, since it is larger than the sum of its proper divisors (50802084).

66703948 is a wasteful number, since it uses less digits than its factorization.

66703948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110592 (or 110590 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 66703948 is about 8167.2484962807. The cubic root of 66703948 is about 405.5557031532. Note that the first 3 decimals are identical.

The spelling of 66703948 in words is "sixty-six million, seven hundred three thousand, nine hundred forty-eight".