66752124 has 24 divisors (see below), whose sum is σ = 156078720. Its totient is φ = 22204464.

The previous prime is 66752123. The next prime is 66752129. The reversal of 66752124 is 42125766.

It is a super-2 number, since 2×66752124² = 8911692117022752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66752123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507 + ... + 11565.

It is an arithmetic number, because the mean of its divisors is an integer number (6503280).

Almost surely, 2^66752124 is an apocalyptic number.

It is an amenable number.

66752124 is an abundant number, since it is smaller than the sum of its proper divisors (89326596).

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

66752124 is a wasteful number, since it uses less digits than its factorization.

66752124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11569 (or 11567 counting only the distinct ones).

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

The square root of 66752124 is about 8170.1973048391. The cubic root of 66752124 is about 405.6533153153.

The spelling of 66752124 in words is "sixty-six million, seven hundred fifty-two thousand, one hundred twenty-four".