61458828 has 24 divisors (see below), whose sum is σ = 143671920. Its totient is φ = 20448000.

The previous prime is 61458811. The next prime is 61458851. The reversal of 61458828 is 82885416.

61458828 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 61458828.

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, 2328 + ... + 11328.

It is an arithmetic number, because the mean of its divisors is an integer number (5986330).

Almost surely, 2^61458828 is an apocalyptic number.

It is an amenable number.

61458828 is an abundant number, since it is smaller than the sum of its proper divisors (82213092).

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

61458828 is a wasteful number, since it uses less digits than its factorization.

61458828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577 (or 9575 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 61458828 is about 7839.5681003484. The cubic root of 61458828 is about 394.6342349299.

The spelling of 61458828 in words is "sixty-one million, four hundred fifty-eight thousand, eight hundred twenty-eight".