61672122 has 12 divisors (see below), whose sum is σ = 133622970. Its totient is φ = 20557368.

The previous prime is 61672109. The next prime is 61672129. The reversal of 61672122 is 22127616.

61672122 is a `hidden beast` number, since 616 + 7 + 21 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56836521 + 4835601 = 7539^2 + 2199^2 .

It is not an unprimeable number, because it can be changed into a prime (61672129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1713097 + ... + 1713132.

Almost surely, 2^61672122 is an apocalyptic number.

61672122 is an abundant number, since it is smaller than the sum of its proper divisors (71950848).

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

61672122 is a wasteful number, since it uses less digits than its factorization.

61672122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426237 (or 3426234 counting only the distinct ones).

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

The square root of 61672122 is about 7853.1600009168. The cubic root of 61672122 is about 395.0902362876.

Adding to 61672122 its reverse (22127616), we get a palindrome (83799738).

The spelling of 61672122 in words is "sixty-one million, six hundred seventy-two thousand, one hundred twenty-two".