61072068 has 12 divisors (see below), whose sum is σ = 142501520. Its totient is φ = 20357352.

The previous prime is 61072043. The next prime is 61072079. The reversal of 61072068 is 86027016.

It is a happy number.

61072068 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 (12).

It is an unprimeable number.

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, 2544658 + ... + 2544681.

Almost surely, 2^61072068 is an apocalyptic number.

It is an amenable number.

61072068 is an abundant number, since it is smaller than the sum of its proper divisors (81429452).

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

61072068 is a wasteful number, since it uses less digits than its factorization.

61072068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089346 (or 5089344 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 61072068 is about 7814.8619949427. The cubic root of 61072068 is about 393.8046821512.

The spelling of 61072068 in words is "sixty-one million, seventy-two thousand, sixty-eight".