66527072 has 12 divisors (see below), whose sum is σ = 130975236. Its totient is φ = 33263520.

The previous prime is 66527053. The next prime is 66527099. The reversal of 66527072 is 27072566.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039454 + ... + 1039517.

It is an arithmetic number, because the mean of its divisors is an integer number (10914603).

Almost surely, 2^66527072 is an apocalyptic number.

It is an amenable number.

66527072 is a deficient number, since it is larger than the sum of its proper divisors (64448164).

66527072 is a wasteful number, since it uses less digits than its factorization.

66527072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078981 (or 2078973 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 66527072 is about 8156.4129370698. The cubic root of 66527072 is about 405.1969209516.

The spelling of 66527072 in words is "sixty-six million, five hundred twenty-seven thousand, seventy-two".