66532708 has 24 divisors (see below), whose sum is σ = 127247904. Its totient is φ = 30187200.

The previous prime is 66532693. The next prime is 66532729. The reversal of 66532708 is 80723566.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32491 + ... + 34477.

It is an arithmetic number, because the mean of its divisors is an integer number (5301996).

Almost surely, 2^66532708 is an apocalyptic number.

It is an amenable number.

66532708 is a deficient number, since it is larger than the sum of its proper divisors (60715196).

66532708 is a wasteful number, since it uses less digits than its factorization.

66532708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 66532708 is about 8156.7584247665. The cubic root of 66532708 is about 405.2083630372.

The spelling of 66532708 in words is "sixty-six million, five hundred thirty-two thousand, seven hundred eight".