61420426 has 16 divisors (see below), whose sum is σ = 99237600. Its totient is φ = 28416528.

The previous prime is 61420421. The next prime is 61420433. The reversal of 61420426 is 62402416.

61420426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61420426.

It is not an unprimeable number, because it can be changed into a prime (61420421) 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 7 ways as a sum of consecutive naturals, for example, 17161 + ... + 20428.

It is an arithmetic number, because the mean of its divisors is an integer number (6202350).

Almost surely, 2^61420426 is an apocalyptic number.

61420426 is a deficient number, since it is larger than the sum of its proper divisors (37817174).

61420426 is a wasteful number, since it uses less digits than its factorization.

61420426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37653.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 61420426 is about 7837.1184755623. The cubic root of 61420426 is about 394.5520232449.

The spelling of 61420426 in words is "sixty-one million, four hundred twenty thousand, four hundred twenty-six".