28670674 has 4 divisors (see below), whose sum is σ = 43006014. Its totient is φ = 14335336.

The previous prime is 28670669. The next prime is 28670683. The reversal of 28670674 is 47607682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18792225 + 9878449 = 4335^2 + 3143^2 .

It is a super-2 number, since 2×28670674² = 1644015095228552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7167667 + ... + 7167670.

Almost surely, 2^28670674 is an apocalyptic number.

28670674 is a deficient number, since it is larger than the sum of its proper divisors (14335340).

28670674 is a wasteful number, since it uses less digits than its factorization.

28670674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14335339.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 28670674 is about 5354.5003501727. The cubic root of 28670674 is about 306.0642708919.

The spelling of 28670674 in words is "twenty-eight million, six hundred seventy thousand, six hundred seventy-four".