61304 has 16 divisors (see below), whose sum is σ = 117600. Its totient is φ = 29952.

The previous prime is 61297. The next prime is 61331. The reversal of 61304 is 40316.

It is a congruent number.

It is an unprimeable number.

61304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (7350).

2⁶¹³⁰⁴ is an apocalyptic number.

It is an amenable number.

61304 is a deficient number, since it is larger than the sum of its proper divisors (56296).

61304 is a wasteful number, since it uses less digits than its factorization.

61304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 61304 is about 247.5964458549. The cubic root of 61304 is about 39.4302566768.

The spelling of 61304 in words is "sixty-one thousand, three hundred four".