28013762 has 16 divisors (see below), whose sum is σ = 48812352. Its totient is φ = 11808720.

The previous prime is 28013759. The next prime is 28013767. The reversal of 28013762 is 26731082.

It is a happy number.

It is a super-2 number, since 2×28013762² = 1569541722785288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28013767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15548 + ... + 17255.

It is an arithmetic number, because the mean of its divisors is an integer number (3050772).

Almost surely, 2^28013762 is an apocalyptic number.

28013762 is a deficient number, since it is larger than the sum of its proper divisors (20798590).

28013762 is a wasteful number, since it uses less digits than its factorization.

28013762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32873.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28013762 is about 5292.8028491528. The cubic root of 28013762 is about 303.7086384885.

The spelling of 28013762 in words is "twenty-eight million, thirteen thousand, seven hundred sixty-two".