61128714 has 32 divisors (see below), whose sum is σ = 129153024. Its totient is φ = 19257840.

The previous prime is 61128709. The next prime is 61128737. The reversal of 61128714 is 41782116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (4036032).

Almost surely, 2^61128714 is an apocalyptic number.

61128714 is an abundant number, since it is smaller than the sum of its proper divisors (68024310).

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

61128714 is a wasteful number, since it uses less digits than its factorization.

61128714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722.

The product of its digits is 2688, while the sum is 30.

The square root of 61128714 is about 7818.4854031967. The cubic root of 61128714 is about 393.9263993692.

The spelling of 61128714 in words is "sixty-one million, one hundred twenty-eight thousand, seven hundred fourteen".