66376530 has 64 divisors (see below), whose sum is σ = 193104000. Its totient is φ = 16090560.

The previous prime is 66376529. The next prime is 66376537. The reversal of 66376530 is 3567366.

It is a super-3 number, since 3×66376530³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66376537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8205 + ... + 14144.

It is an arithmetic number, because the mean of its divisors is an integer number (3017250).

Almost surely, 2^66376530 is an apocalyptic number.

66376530 is an abundant number, since it is smaller than the sum of its proper divisors (126727470).

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

66376530 is a wasteful number, since it uses less digits than its factorization.

66376530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22376 (or 22370 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 66376530 is about 8147.1792664701. The cubic root of 66376530 is about 404.8910543724.

The spelling of 66376530 in words is "sixty-six million, three hundred seventy-six thousand, five hundred thirty".