61443028 has 12 divisors (see below), whose sum is σ = 112200480. Its totient is φ = 29385752.

The previous prime is 61443007. The next prime is 61443037. The reversal of 61443028 is 82034416.

It is a junction number, because it is equal to n+sod(n) for n = 61442987 and 61443005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333838 + ... + 334021.

It is an arithmetic number, because the mean of its divisors is an integer number (9350040).

Almost surely, 2^61443028 is an apocalyptic number.

It is an amenable number.

61443028 is a deficient number, since it is larger than the sum of its proper divisors (50757452).

61443028 is a wasteful number, since it uses less digits than its factorization.

61443028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667886 (or 667884 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 61443028 is about 7838.5603269988. The cubic root of 61443028 is about 394.6004141563.

The spelling of 61443028 in words is "sixty-one million, four hundred forty-three thousand, twenty-eight".