28010736 has 90 divisors (see below), whose sum is σ = 84958848. Its totient is φ = 8611200.

The previous prime is 28010729. The next prime is 28010767. The reversal of 28010736 is 63701082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23761 + ... + 24911.

Almost surely, 2^28010736 is an apocalyptic number.

28010736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28010736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42479424).

28010736 is an abundant number, since it is smaller than the sum of its proper divisors (56948112).

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

28010736 is a wasteful number, since it uses less digits than its factorization.

28010736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1169 counting only the distinct ones).

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

The square root of 28010736 is about 5292.5169815505. The cubic root of 28010736 is about 303.6977027273.

The spelling of 28010736 in words is "twenty-eight million, ten thousand, seven hundred thirty-six".