28699070 has 16 divisors (see below), whose sum is σ = 51950160. Its totient is φ = 11414784.

The previous prime is 28699061. The next prime is 28699091. The reversal of 28699070 is 7099682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6227 + ... + 9806.

It is an arithmetic number, because the mean of its divisors is an integer number (3246885).

Almost surely, 2^28699070 is an apocalyptic number.

28699070 is a deficient number, since it is larger than the sum of its proper divisors (23251090).

28699070 is a wasteful number, since it uses less digits than its factorization.

28699070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16219.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 28699070 is about 5357.1512952314. The cubic root of 28699070 is about 306.1652815782.

The spelling of 28699070 in words is "twenty-eight million, six hundred ninety-nine thousand, seventy".