28761034 has 4 divisors (see below), whose sum is σ = 43141554. Its totient is φ = 14380516.

The previous prime is 28761013. The next prime is 28761043. The reversal of 28761034 is 43016782.

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., 15093225 + 13667809 = 3885^2 + 3697^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28760987 and 28761005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190257 + ... + 7190260.

Almost surely, 2^28761034 is an apocalyptic number.

28761034 is a deficient number, since it is larger than the sum of its proper divisors (14380520).

28761034 is a wasteful number, since it uses less digits than its factorization.

28761034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14380519.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28761034 is about 5362.9314744830. The cubic root of 28761034 is about 306.3854697620.

The spelling of 28761034 in words is "twenty-eight million, seven hundred sixty-one thousand, thirty-four".