66875094 has 48 divisors (see below), whose sum is σ = 170234064. Its totient is φ = 18705600.

The previous prime is 66875089. The next prime is 66875111. The reversal of 66875094 is 49057866.

66875094 is a `hidden beast` number, since 66 + 87 + 509 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10417 + ... + 15564.

It is an arithmetic number, because the mean of its divisors is an integer number (3546543).

Almost surely, 2^66875094 is an apocalyptic number.

66875094 is an abundant number, since it is smaller than the sum of its proper divisors (103358970).

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

66875094 is a wasteful number, since it uses less digits than its factorization.

66875094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26013 (or 26010 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 66875094 is about 8177.7193642237. The cubic root of 66875094 is about 405.9022591445.

It can be divided in two parts, 6687 and 5094, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 66875094 in words is "sixty-six million, eight hundred seventy-five thousand, ninety-four".