66752204 has 6 divisors (see below), whose sum is σ = 116816364. Its totient is φ = 33376100.

The previous prime is 66752201. The next prime is 66752219. The reversal of 66752204 is 40225766.

It is not an unprimeable number, because it can be changed into a prime (66752201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8344022 + ... + 8344029.

It is an arithmetic number, because the mean of its divisors is an integer number (19469394).

Almost surely, 2^66752204 is an apocalyptic number.

It is an amenable number.

66752204 is a deficient number, since it is larger than the sum of its proper divisors (50064160).

66752204 is a wasteful number, since it uses less digits than its factorization.

66752204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16688055 (or 16688053 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 66752204 is about 8170.2022006802. The cubic root of 66752204 is about 405.6534773688.

The spelling of 66752204 in words is "sixty-six million, seven hundred fifty-two thousand, two hundred four".