61304416 has 12 divisors (see below), whose sum is σ = 120693132. Its totient is φ = 30652192.

The previous prime is 61304377. The next prime is 61304417. The reversal of 61304416 is 61440316.

It is a super-2 number, since 2×61304416² = 7516462842202112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957850 + ... + 957913.

It is an arithmetic number, because the mean of its divisors is an integer number (10057761).

Almost surely, 2^61304416 is an apocalyptic number.

It is an amenable number.

61304416 is a deficient number, since it is larger than the sum of its proper divisors (59388716).

61304416 is a wasteful number, since it uses less digits than its factorization.

61304416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915773 (or 1915765 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 61304416 is about 7829.7136601539. The cubic root of 61304416 is about 394.3034586587.

The spelling of 61304416 in words is "sixty-one million, three hundred four thousand, four hundred sixteen".