28074052 has 6 divisors (see below), whose sum is σ = 49129598. Its totient is φ = 14037024.

The previous prime is 28074049. The next prime is 28074073. The reversal of 28074052 is 25047082.

It can be written as a sum of positive squares in only one way, i.e., 27520516 + 553536 = 5246^2 + 744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28074052.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509253 + ... + 3509260.

Almost surely, 2^28074052 is an apocalyptic number.

It is an amenable number.

28074052 is a deficient number, since it is larger than the sum of its proper divisors (21055546).

28074052 is a wasteful number, since it uses less digits than its factorization.

28074052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018517 (or 7018515 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 28074052 is about 5298.4952580898. The cubic root of 28074052 is about 303.9263585475.

It can be divided in two parts, 2807 and 4052, that added together give a cube (6859 = 19³).

The spelling of 28074052 in words is "twenty-eight million, seventy-four thousand, fifty-two".