61007272 has 16 divisors (see below), whose sum is σ = 114739200. Its totient is φ = 30410160.

The previous prime is 61007267. The next prime is 61007273. The reversal of 61007272 is 27270016.

61007272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61007273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8872 + ... + 14167.

It is an arithmetic number, because the mean of its divisors is an integer number (7171200).

Almost surely, 2^61007272 is an apocalyptic number.

It is an amenable number.

61007272 is a deficient number, since it is larger than the sum of its proper divisors (53731928).

61007272 is a wasteful number, since it uses less digits than its factorization.

61007272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23376 (or 23372 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 61007272 is about 7810.7152041282. The cubic root of 61007272 is about 393.6653604250.

Adding to 61007272 its reverse (27270016), we get a palindrome (88277288).

The spelling of 61007272 in words is "sixty-one million, seven thousand, two hundred seventy-two".