61068579 has 24 divisors (see below), whose sum is σ = 96392016. Its totient is φ = 34161600.

The previous prime is 61068571. The next prime is 61068583. The reversal of 61068579 is 97586016.

It is not a de Polignac number, because 61068579 - 2³ = 61068571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61068579.

It is not an unprimeable number, because it can be changed into a prime (61068571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1752 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (4016334).

Almost surely, 2^61068579 is an apocalyptic number.

61068579 is a deficient number, since it is larger than the sum of its proper divisors (35323437).

61068579 is a wasteful number, since it uses less digits than its factorization.

61068579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12979 (or 12968 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 61068579 is about 7814.6387632443. The cubic root of 61068579 is about 393.7971827561.

The spelling of 61068579 in words is "sixty-one million, sixty-eight thousand, five hundred seventy-nine".