28762742 has 16 divisors (see below), whose sum is σ = 47669472. Its totient is φ = 12946560.

The previous prime is 28762733. The next prime is 28762757. The reversal of 28762742 is 24726782.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28762696 and 28762705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17609 + ... + 19172.

It is an arithmetic number, because the mean of its divisors is an integer number (2979342).

Almost surely, 2^28762742 is an apocalyptic number.

28762742 is a deficient number, since it is larger than the sum of its proper divisors (18906730).

28762742 is a wasteful number, since it uses less digits than its factorization.

28762742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36823.

The product of its digits is 75264, while the sum is 38.

The square root of 28762742 is about 5363.0907133853. The cubic root of 28762742 is about 306.3915346347.

The spelling of 28762742 in words is "twenty-eight million, seven hundred sixty-two thousand, seven hundred forty-two".