61961304 has 16 divisors (see below), whose sum is σ = 154903320. Its totient is φ = 20653760.

The previous prime is 61961303. The next prime is 61961351. The reversal of 61961304 is 40316916.

61961304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61961303) 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 3 ways as a sum of consecutive naturals, for example, 1290837 + ... + 1290884.

Almost surely, 2^61961304 is an apocalyptic number.

It is an amenable number.

61961304 is an abundant number, since it is smaller than the sum of its proper divisors (92942016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61961304 is a wasteful number, since it uses less digits than its factorization.

61961304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581730 (or 2581726 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61961304 is about 7871.5502920327. The cubic root of 61961304 is about 395.7068026629.

The spelling of 61961304 in words is "sixty-one million, nine hundred sixty-one thousand, three hundred four".