61068444 has 24 divisors (see below), whose sum is σ = 142925328. Its totient is φ = 20294400.

The previous prime is 61068409. The next prime is 61068467. The reversal of 61068444 is 44486016.

It is a super-2 number, since 2×61068444² = 7458709705162272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507 + ... + 11594.

It is an arithmetic number, because the mean of its divisors is an integer number (5955222).

Almost surely, 2^61068444 is an apocalyptic number.

It is an amenable number.

61068444 is an abundant number, since it is smaller than the sum of its proper divisors (81856884).

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

61068444 is a wasteful number, since it uses less digits than its factorization.

61068444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445 (or 15443 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 61068444 is about 7814.6301256042. The cubic root of 61068444 is about 393.7968925760.

The spelling of 61068444 in words is "sixty-one million, sixty-eight thousand, four hundred forty-four".