61421346 has 24 divisors (see below), whose sum is σ = 152091264. Its totient is φ = 17548920.

The previous prime is 61421341. The next prime is 61421351. The reversal of 61421346 is 64312416.

61421346 is a `hidden beast` number, since 614 + 2 + 1 + 3 + 46 = 666.

61421346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61421341) and next prime (61421351).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61421341) 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 11 ways as a sum of consecutive naturals, for example, 243610 + ... + 243861.

It is an arithmetic number, because the mean of its divisors is an integer number (6337136).

Almost surely, 2^61421346 is an apocalyptic number.

61421346 is an abundant number, since it is smaller than the sum of its proper divisors (90669918).

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

61421346 is a wasteful number, since it uses less digits than its factorization.

61421346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487486 (or 487483 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 61421346 is about 7837.1771703848. The cubic root of 61421346 is about 394.5539931978.

The spelling of 61421346 in words is "sixty-one million, four hundred twenty-one thousand, three hundred forty-six".