61279444 has 12 divisors (see below), whose sum is σ = 107297568. Its totient is φ = 30623000.

The previous prime is 61279417. The next prime is 61279447. The reversal of 61279444 is 44497216.

It is a happy number.

61279444 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 (61279447) 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, 8019 + ... + 13669.

It is an arithmetic number, because the mean of its divisors is an integer number (8941464).

Almost surely, 2^61279444 is an apocalyptic number.

It is an amenable number.

61279444 is a deficient number, since it is larger than the sum of its proper divisors (46018124).

61279444 is a wasteful number, since it uses less digits than its factorization.

61279444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366 (or 8364 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 61279444 is about 7828.1188033908. The cubic root of 61279444 is about 394.2499123082.

The spelling of 61279444 in words is "sixty-one million, two hundred seventy-nine thousand, four hundred forty-four".