28119070 has 32 divisors (see below), whose sum is σ = 58318848. Its totient is φ = 9561888.

The previous prime is 28119043. The next prime is 28119073. The reversal of 28119070 is 7091182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28119073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7309 + ... + 10471.

It is an arithmetic number, because the mean of its divisors is an integer number (1822464).

Almost surely, 2^28119070 is an apocalyptic number.

28119070 is an abundant number, since it is smaller than the sum of its proper divisors (30199778).

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

28119070 is a wasteful number, since it uses less digits than its factorization.

28119070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 28119070 is about 5302.7417436643. The cubic root of 28119070 is about 304.0887249680.

It can be divided in two parts, 2811 and 9070, that added together give a square (11881 = 109²).

The spelling of 28119070 in words is "twenty-eight million, one hundred nineteen thousand, seventy".