61122672 has 120 divisors (see below), whose sum is σ = 186592224. Its totient is φ = 18565632.

The previous prime is 61122653. The next prime is 61122673. The reversal of 61122672 is 27622116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61122673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192658 + ... + 192974.

Almost surely, 2^61122672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61122672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93296112).

61122672 is an abundant number, since it is smaller than the sum of its proper divisors (125469552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61122672 is a wasteful number, since it uses less digits than its factorization.

61122672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 438 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 61122672 is about 7818.0990016755. The cubic root of 61122672 is about 393.9134202984.

Adding to 61122672 its reverse (27622116), we get a palindrome (88744788).

The spelling of 61122672 in words is "sixty-one million, one hundred twenty-two thousand, six hundred seventy-two".