66527373 has 16 divisors (see below), whose sum is σ = 97572672. Its totient is φ = 40317200.

The previous prime is 66527347. The next prime is 66527389. The reversal of 66527373 is 37372566.

It is not a de Polignac number, because 66527373 - 2¹⁰ = 66526349 is a prime.

It is a super-2 number, since 2×66527373² = 8851782716562258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66527173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4338 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (6098292).

Almost surely, 2^66527373 is an apocalyptic number.

It is an amenable number.

66527373 is a deficient number, since it is larger than the sum of its proper divisors (31045299).

66527373 is a wasteful number, since it uses less digits than its factorization.

66527373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16697 (or 16675 counting only the distinct ones).

The product of its digits is 158760, while the sum is 39.

The square root of 66527373 is about 8156.4313887876. The cubic root of 66527373 is about 405.1975320516.

The spelling of 66527373 in words is "sixty-six million, five hundred twenty-seven thousand, three hundred seventy-three".