28734674 has 8 divisors (see below), whose sum is σ = 43183308. Its totient is φ = 14340240.

The previous prime is 28734661. The next prime is 28734677. The reversal of 28734674 is 47643782.

It can be written as a sum of positive squares in 2 ways, for example, as 28569025 + 165649 = 5345^2 + 407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28734677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12197 + ... + 14360.

Almost surely, 2^28734674 is an apocalyptic number.

28734674 is a deficient number, since it is larger than the sum of its proper divisors (14448634).

28734674 is a wasteful number, since it uses less digits than its factorization.

28734674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100.

The product of its digits is 225792, while the sum is 41.

The square root of 28734674 is about 5360.4732999988. The cubic root of 28734674 is about 306.2918385710.

The spelling of 28734674 in words is "twenty-eight million, seven hundred thirty-four thousand, six hundred seventy-four".