61127028 has 48 divisors (see below), whose sum is σ = 166824000. Its totient is φ = 19302624.

The previous prime is 61127021. The next prime is 61127039. The reversal of 61127028 is 82072116.

61127028 is a `hidden beast` number, since 611 + 27 + 0 + 28 = 666.

It is a super-2 number, since 2×61127028² = 7473027104225568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 61126992 and 61127010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61127021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12843 + ... + 16946.

It is an arithmetic number, because the mean of its divisors is an integer number (3475500).

Almost surely, 2^61127028 is an apocalyptic number.

It is an amenable number.

61127028 is an abundant number, since it is smaller than the sum of its proper divisors (105696972).

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

61127028 is a wasteful number, since it uses less digits than its factorization.

61127028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29821 (or 29813 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 61127028 is about 7818.3775810586. The cubic root of 61127028 is about 393.9227776887.

The spelling of 61127028 in words is "sixty-one million, one hundred twenty-seven thousand, twenty-eight".