61469856 has 72 divisors (see below), whose sum is σ = 199783584. Its totient is φ = 17562240.

The previous prime is 61469851. The next prime is 61469893. The reversal of 61469856 is 65896416.

61469856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (61469851) 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 11 ways as a sum of consecutive naturals, for example, 13230 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (2774772).

Almost surely, 2^61469856 is an apocalyptic number.

It is an amenable number.

61469856 is an abundant number, since it is smaller than the sum of its proper divisors (138313728).

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

61469856 is a wasteful number, since it uses less digits than its factorization.

61469856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30514 (or 30503 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 61469856 is about 7840.2714238730. The cubic root of 61469856 is about 394.6578375389.

The spelling of 61469856 in words is "sixty-one million, four hundred sixty-nine thousand, eight hundred fifty-six".