28051734 has 32 divisors (see below), whose sum is σ = 60536160. Its totient is φ = 8632832.

The previous prime is 28051711. The next prime is 28051739. The reversal of 28051734 is 43715082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28051739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2812 + ... + 8000.

It is an arithmetic number, because the mean of its divisors is an integer number (1891755).

Almost surely, 2^28051734 is an apocalyptic number.

28051734 is an abundant number, since it is smaller than the sum of its proper divisors (32484426).

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

28051734 is a wasteful number, since it uses less digits than its factorization.

28051734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 28051734 is about 5296.3887697185. The cubic root of 28051734 is about 303.8457998558.

The spelling of 28051734 in words is "twenty-eight million, fifty-one thousand, seven hundred thirty-four".