61129832 has 32 divisors (see below), whose sum is σ = 118752480. Its totient is φ = 29480640.

The previous prime is 61129823. The next prime is 61129843. The reversal of 61129832 is 23892116.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27482 + ... + 29622.

It is an arithmetic number, because the mean of its divisors is an integer number (3711015).

Almost surely, 2^61129832 is an apocalyptic number.

It is an amenable number.

61129832 is a deficient number, since it is larger than the sum of its proper divisors (57622648).

61129832 is a wasteful number, since it uses less digits than its factorization.

61129832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273 (or 2269 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 61129832 is about 7818.5569000935. The cubic root of 61129832 is about 393.9288008976.

The spelling of 61129832 in words is "sixty-one million, one hundred twenty-nine thousand, eight hundred thirty-two".