61290368 has 16 divisors (see below), whose sum is σ = 122102160. Its totient is φ = 30645120.

The previous prime is 61290347. The next prime is 61290391. The reversal of 61290368 is 86309216.

61290368 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 (16).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 239288 + ... + 239543.

It is an arithmetic number, because the mean of its divisors is an integer number (7631385).

Almost surely, 2^61290368 is an apocalyptic number.

It is an amenable number.

61290368 is a deficient number, since it is larger than the sum of its proper divisors (60811792).

61290368 is an equidigital number, since it uses as much as digits as its factorization.

61290368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478845 (or 478833 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 61290368 is about 7828.8165133691. The cubic root of 61290368 is about 394.2733379458.

The spelling of 61290368 in words is "sixty-one million, two hundred ninety thousand, three hundred sixty-eight".