66076872 has 32 divisors (see below), whose sum is σ = 170522880. Its totient is φ = 21314880.

The previous prime is 66076837. The next prime is 66076883. The reversal of 66076872 is 27867066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43663 + ... + 45150.

It is an arithmetic number, because the mean of its divisors is an integer number (5328840).

Almost surely, 2^66076872 is an apocalyptic number.

66076872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66076872 is an abundant number, since it is smaller than the sum of its proper divisors (104446008).

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

66076872 is a wasteful number, since it uses less digits than its factorization.

66076872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88853 (or 88849 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 66076872 is about 8128.7681723617. The cubic root of 66076872 is about 404.2808392694.

The spelling of 66076872 in words is "sixty-six million, seventy-six thousand, eight hundred seventy-two".