61594979 has 8 divisors (see below), whose sum is σ = 64946640. Its totient is φ = 58254336.

The previous prime is 61594921. The next prime is 61594987. The reversal of 61594979 is 97949516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61594979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61554979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10379 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (8118330).

Almost surely, 2^61594979 is an apocalyptic number.

61594979 is a deficient number, since it is larger than the sum of its proper divisors (3351661).

61594979 is a wasteful number, since it uses less digits than its factorization.

61594979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509.

The product of its digits is 612360, while the sum is 50.

The square root of 61594979 is about 7848.2468743026. The cubic root of 61594979 is about 394.9254337695.

The spelling of 61594979 in words is "sixty-one million, five hundred ninety-four thousand, nine hundred seventy-nine".