61304769604 has 81 divisors (see below), whose sum is σ = 118598985687. Its totient is φ = 27715129728.

The previous prime is 61304769601. The next prime is 61304769613. The reversal of 61304769604 is 40696740316.

It is a happy number.

The square root of 61304769604 is 247598.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 26800964100 + 34503805504 = 163710^2 + 185752^2 .

It is not an unprimeable number, because it can be changed into a prime (61304769601) 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 26 ways as a sum of consecutive naturals, for example, 572941719 + ... + 572941825.

Almost surely, 2^61304769604 is an apocalyptic number.

61304769604 is the 247598-th square number.

It is an amenable number.

61304769604 is a deficient number, since it is larger than the sum of its proper divisors (57294216083).

61304769604 is a wasteful number, since it uses less digits than its factorization.

61304769604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 61304769604 in words is "sixty-one billion, three hundred four million, seven hundred sixty-nine thousand, six hundred four".