28136070 has 24 divisors (see below), whose sum is σ = 73154016. Its totient is φ = 7502928.

The previous prime is 28136063. The next prime is 28136077. The reversal of 28136070 is 7063182.

It is an interprime number because it is at equal distance from previous prime (28136063) and next prime (28136077).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28136077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156222 + ... + 156401.

It is an arithmetic number, because the mean of its divisors is an integer number (3048084).

Almost surely, 2^28136070 is an apocalyptic number.

28136070 is an abundant number, since it is smaller than the sum of its proper divisors (45017946).

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

28136070 is a wasteful number, since it uses less digits than its factorization.

28136070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312636 (or 312633 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 28136070 is about 5304.3444458293. The cubic root of 28136070 is about 304.1499937901.

The spelling of 28136070 in words is "twenty-eight million, one hundred thirty-six thousand, seventy".