66048722 has 4 divisors (see below), whose sum is σ = 99073086. Its totient is φ = 33024360.

The previous prime is 66048707. The next prime is 66048727. The reversal of 66048722 is 22784066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 24690961 = 6431^2 + 4969^2 .

It is not an unprimeable number, because it can be changed into a prime (66048727) 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 as a sum of consecutive naturals, namely, 16512179 + ... + 16512182.

Almost surely, 2^66048722 is an apocalyptic number.

66048722 is a deficient number, since it is larger than the sum of its proper divisors (33024364).

66048722 is a wasteful number, since it uses less digits than its factorization.

66048722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33024363.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 66048722 is about 8127.0364832453. The cubic root of 66048722 is about 404.2234206812.

The spelling of 66048722 in words is "sixty-six million, forty-eight thousand, seven hundred twenty-two".