61428934 has 16 divisors (see below), whose sum is σ = 105846048. Its totient is φ = 26191872.

The previous prime is 61428923. The next prime is 61428959. The reversal of 61428934 is 43982416.

61428934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61428893 and 61428902.

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 7 ways as a sum of consecutive naturals, for example, 8379 + ... + 13894.

It is an arithmetic number, because the mean of its divisors is an integer number (6615378).

Almost surely, 2^61428934 is an apocalyptic number.

61428934 is a deficient number, since it is larger than the sum of its proper divisors (44417114).

61428934 is a wasteful number, since it uses less digits than its factorization.

61428934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22479.

The product of its digits is 41472, while the sum is 37.

The square root of 61428934 is about 7837.6612583091. The cubic root of 61428934 is about 394.5702402770.

The spelling of 61428934 in words is "sixty-one million, four hundred twenty-eight thousand, nine hundred thirty-four".