28743700070 has 32 divisors (see below), whose sum is σ = 54289854720. Its totient is φ = 10936134880.

The previous prime is 28743700057. The next prime is 28743700091. The reversal of 28743700070 is 7000734782.

It is a junction number, because it is equal to n+sod(n) for n = 28743699997 and 28743700033.

It is a congruent number.

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, 307916 + ... + 390255.

It is an arithmetic number, because the mean of its divisors is an integer number (1696557960).

Almost surely, 2^28743700070 is an apocalyptic number.

28743700070 is a deficient number, since it is larger than the sum of its proper divisors (25546154650).

28743700070 is a wasteful number, since it uses less digits than its factorization.

28743700070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698380.

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 28743700070 in words is "twenty-eight billion, seven hundred forty-three million, seven hundred thousand, seventy".