61623356 has 12 divisors (see below), whose sum is σ = 108400992. Its totient is φ = 30651648.

The previous prime is 61623349. The next prime is 61623361. The reversal of 61623356 is 65332616.

61623356 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 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, 39140 + ... + 40683.

It is an arithmetic number, because the mean of its divisors is an integer number (9033416).

Almost surely, 2^61623356 is an apocalyptic number.

It is an amenable number.

61623356 is a deficient number, since it is larger than the sum of its proper divisors (46777636).

61623356 is a wasteful number, since it uses less digits than its factorization.

61623356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80020 (or 80018 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 61623356 is about 7850.0545221037. The cubic root of 61623356 is about 394.9860722537.

The spelling of 61623356 in words is "sixty-one million, six hundred twenty-three thousand, three hundred fifty-six".