28495742 has 12 divisors (see below), whose sum is σ = 46983048. Its totient is φ = 12952500.

The previous prime is 28495741. The next prime is 28495759. The reversal of 28495742 is 24759482.

It is a self number, because there is not a number n which added to its sum of digits gives 28495742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28495741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58634 + ... + 59117.

It is an arithmetic number, because the mean of its divisors is an integer number (3915254).

Almost surely, 2^28495742 is an apocalyptic number.

28495742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28495742 is a deficient number, since it is larger than the sum of its proper divisors (18487306).

28495742 is a wasteful number, since it uses less digits than its factorization.

28495742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117775 (or 117764 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 28495742 is about 5338.1403128805. The cubic root of 28495742 is about 305.4405244039.

The spelling of 28495742 in words is "twenty-eight million, four hundred ninety-five thousand, seven hundred forty-two".