66273102 has 144 divisors (see below), whose sum is σ = 182587392. Its totient is φ = 16990560.

The previous prime is 66273059. The next prime is 66273113. The reversal of 66273102 is 20137266.

It is a happy number.

66273102 is a `hidden beast` number, since 6 + 627 + 31 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1410043 + ... + 1410089.

It is an arithmetic number, because the mean of its divisors is an integer number (1267968).

Almost surely, 2^66273102 is an apocalyptic number.

66273102 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 66273102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91293696).

66273102 is an abundant number, since it is smaller than the sum of its proper divisors (116314290).

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

66273102 is a wasteful number, since it uses less digits than its factorization.

66273102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 66273102 is about 8140.8293189331. The cubic root of 66273102 is about 404.6806444489.

The spelling of 66273102 in words is "sixty-six million, two hundred seventy-three thousand, one hundred two".