66672848 has 20 divisors (see below), whose sum is σ = 140922528. Its totient is φ = 30305760.

The previous prime is 66672803. The next prime is 66672889. The reversal of 66672848 is 84827666.

It is a super-2 number, since 2×66672848² = 8890537320862208, which contains 22 as substring.

It is a congruent 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, 189236 + ... + 189587.

Almost surely, 2^66672848 is an apocalyptic number.

It is an amenable number.

66672848 is an abundant number, since it is smaller than the sum of its proper divisors (74249680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66672848 is a wasteful number, since it uses less digits than its factorization.

66672848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378842 (or 378836 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 66672848 is about 8165.3443283183. The cubic root of 66672848 is about 405.4926646902.

The spelling of 66672848 in words is "sixty-six million, six hundred seventy-two thousand, eight hundred forty-eight".