61304866 has 16 divisors (see below), whose sum is σ = 106664256. Its totient is φ = 25880976.

The previous prime is 61304861. The next prime is 61304921. The reversal of 61304866 is 66840316.

It is a super-3 number, since 3×61304866³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61304861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31741 + ... + 33616.

It is an arithmetic number, because the mean of its divisors is an integer number (6666516).

Almost surely, 2^61304866 is an apocalyptic number.

61304866 is a deficient number, since it is larger than the sum of its proper divisors (45359390).

61304866 is a wasteful number, since it uses less digits than its factorization.

61304866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65433.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 61304866 is about 7829.7423967842. The cubic root of 61304866 is about 394.3044234403.

The spelling of 61304866 in words is "sixty-one million, three hundred four thousand, eight hundred sixty-six".