61306432 has 28 divisors (see below), whose sum is σ = 132716016. Its totient is φ = 27866240.

The previous prime is 61306423. The next prime is 61306451. The reversal of 61306432 is 23460316.

61306432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61306397 and 61306406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42838 + ... + 44245.

Almost surely, 2^61306432 is an apocalyptic number.

It is an amenable number.

61306432 is an abundant number, since it is smaller than the sum of its proper divisors (71409584).

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

61306432 is a wasteful number, since it uses less digits than its factorization.

61306432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87106 (or 87096 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 61306432 is about 7829.8423994356. The cubic root of 61306432 is about 394.3077808436.

Adding to 61306432 its reverse (23460316), we get a palindrome (84766748).

The spelling of 61306432 in words is "sixty-one million, three hundred six thousand, four hundred thirty-two".