61323272 has 16 divisors (see below), whose sum is σ = 115114560. Its totient is φ = 30626064.

The previous prime is 61323271. The next prime is 61323277. The reversal of 61323272 is 27232316.

It is not an unprimeable number, because it can be changed into a prime (61323271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3773 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (7194660).

Almost surely, 2^61323272 is an apocalyptic number.

It is an amenable number.

61323272 is a deficient number, since it is larger than the sum of its proper divisors (53791288).

61323272 is a wasteful number, since it uses less digits than its factorization.

61323272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900 (or 8896 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 61323272 is about 7830.9176984565. The cubic root of 61323272 is about 394.3438811076.

Adding to 61323272 its reverse (27232316), we get a palindrome (88555588).

The spelling of 61323272 in words is "sixty-one million, three hundred twenty-three thousand, two hundred seventy-two".