61364020 has 12 divisors (see below), whose sum is σ = 128864484. Its totient is φ = 24545600.

The previous prime is 61363997. The next prime is 61364041. The reversal of 61364020 is 2046316.

61364020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24324624 + 37039396 = 4932^2 + 6086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61363982 and 61364000.

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 in 3 ways as a sum of consecutive naturals, for example, 1534081 + ... + 1534120.

It is an arithmetic number, because the mean of its divisors is an integer number (10738707).

Almost surely, 2^61364020 is an apocalyptic number.

It is an amenable number.

61364020 is an abundant number, since it is smaller than the sum of its proper divisors (67500464).

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

61364020 is a wasteful number, since it uses less digits than its factorization.

61364020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068210 (or 3068208 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 61364020 is about 7833.5190048917. The cubic root of 61364020 is about 394.4312061211.

The spelling of 61364020 in words is "sixty-one million, three hundred sixty-four thousand, twenty".