61232172 has 48 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 19551168.

The previous prime is 61232153. The next prime is 61232173. The reversal of 61232172 is 27123216.

It is not an unprimeable number, because it can be changed into a prime (61232173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26229 + ... + 28467.

It is an arithmetic number, because the mean of its divisors is an integer number (3104640).

Almost surely, 2^61232172 is an apocalyptic number.

It is an amenable number.

61232172 is an abundant number, since it is smaller than the sum of its proper divisors (87790548).

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

61232172 is a wasteful number, since it uses less digits than its factorization.

61232172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2340 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 61232172 is about 7825.0988492159. The cubic root of 61232172 is about 394.1485092112.

Adding to 61232172 its reverse (27123216), we get a palindrome (88355388).

The spelling of 61232172 in words is "sixty-one million, two hundred thirty-two thousand, one hundred seventy-two".