61147896 has 32 divisors (see below), whose sum is σ = 154809600. Its totient is φ = 20124000.

The previous prime is 61147883. The next prime is 61147897. The reversal of 61147896 is 69874116.

61147896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61147897) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14230 + ... + 18021.

It is an arithmetic number, because the mean of its divisors is an integer number (4837800).

Almost surely, 2^61147896 is an apocalyptic number.

It is an amenable number.

61147896 is an abundant number, since it is smaller than the sum of its proper divisors (93661704).

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

61147896 is a wasteful number, since it uses less digits than its factorization.

61147896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32339 (or 32335 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 61147896 is about 7819.7120151576. The cubic root of 61147896 is about 393.9675993523.

The spelling of 61147896 in words is "sixty-one million, one hundred forty-seven thousand, eight hundred ninety-six".