66002814 has 12 divisors (see below), whose sum is σ = 143006136. Its totient is φ = 22000932.

The previous prime is 66002809. The next prime is 66002819. The reversal of 66002814 is 41820066.

It is an interprime number because it is at equal distance from previous prime (66002809) and next prime (66002819).

It is a super-4 number, since 4×66002814⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66002819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1833394 + ... + 1833429.

It is an arithmetic number, because the mean of its divisors is an integer number (11917178).

Almost surely, 2^66002814 is an apocalyptic number.

66002814 is an abundant number, since it is smaller than the sum of its proper divisors (77003322).

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

66002814 is a wasteful number, since it uses less digits than its factorization.

66002814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666831 (or 3666828 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 66002814 is about 8124.2115925178. The cubic root of 66002814 is about 404.1297454399.

The spelling of 66002814 in words is "sixty-six million, two thousand, eight hundred fourteen".