28052762 has 4 divisors (see below), whose sum is σ = 42079146. Its totient is φ = 14026380.

The previous prime is 28052753. The next prime is 28052767. The reversal of 28052762 is 26725082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26725082 = 2 ⋅13362541.

It can be written as a sum of positive squares in only one way, i.e., 27994681 + 58081 = 5291^2 + 241^2 .

It is not an unprimeable number, because it can be changed into a prime (28052767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7013189 + ... + 7013192.

Almost surely, 2^28052762 is an apocalyptic number.

28052762 is a deficient number, since it is larger than the sum of its proper divisors (14026384).

28052762 is a wasteful number, since it uses less digits than its factorization.

28052762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14026383.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 28052762 is about 5296.4858160860. The cubic root of 28052762 is about 303.8495114465.

The spelling of 28052762 in words is "twenty-eight million, fifty-two thousand, seven hundred sixty-two".