61273248 has 24 divisors (see below), whose sum is σ = 160842528. Its totient is φ = 20424384.

The previous prime is 61273243. The next prime is 61273249. The reversal of 61273248 is 84237216.

61273248 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 (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61273243) 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 3 ways as a sum of consecutive naturals, for example, 319036 + ... + 319227.

It is an arithmetic number, because the mean of its divisors is an integer number (6701772).

Almost surely, 2^61273248 is an apocalyptic number.

It is an amenable number.

61273248 is an abundant number, since it is smaller than the sum of its proper divisors (99569280).

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

61273248 is a wasteful number, since it uses less digits than its factorization.

61273248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638276 (or 638268 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 61273248 is about 7827.7230405783. The cubic root of 61273248 is about 394.2366242481.

The spelling of 61273248 in words is "sixty-one million, two hundred seventy-three thousand, two hundred forty-eight".