28735734 has 16 divisors (see below), whose sum is σ = 57530880. Its totient is φ = 9568680.

The previous prime is 28735709. The next prime is 28735747. The reversal of 28735734 is 43753782.

It is a junction number, because it is equal to n+sod(n) for n = 28735692 and 28735701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099 + ... + 9729.

It is an arithmetic number, because the mean of its divisors is an integer number (3595680).

Almost surely, 2^28735734 is an apocalyptic number.

28735734 is an abundant number, since it is smaller than the sum of its proper divisors (28795146).

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

28735734 is a wasteful number, since it uses less digits than its factorization.

28735734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955.

The product of its digits is 141120, while the sum is 39.

The square root of 28735734 is about 5360.5721709534. The cubic root of 28735734 is about 306.2956048148.

The spelling of 28735734 in words is "twenty-eight million, seven hundred thirty-five thousand, seven hundred thirty-four".