66527412 has 24 divisors (see below), whose sum is σ = 177406656. Its totient is φ = 19007808.

The previous prime is 66527389. The next prime is 66527413. The reversal of 66527412 is 21472566.

It is a super-3 number, since 3×66527412³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66527413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395913 + ... + 396080.

It is an arithmetic number, because the mean of its divisors is an integer number (7391944).

Almost surely, 2^66527412 is an apocalyptic number.

It is an amenable number.

66527412 is an abundant number, since it is smaller than the sum of its proper divisors (110879244).

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

66527412 is a wasteful number, since it uses less digits than its factorization.

66527412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792007 (or 792005 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 66527412 is about 8156.4337795387. The cubic root of 66527412 is about 405.1976112306.

Adding to 66527412 its reverse (21472566), we get a palindrome (87999978).

The spelling of 66527412 in words is "sixty-six million, five hundred twenty-seven thousand, four hundred twelve".