28637042 has 8 divisors (see below), whose sum is σ = 49092096. Its totient is φ = 12273012.

The previous prime is 28637039. The next prime is 28637057. The reversal of 28637042 is 24073682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022738 + ... + 1022765.

It is an arithmetic number, because the mean of its divisors is an integer number (6136512).

Almost surely, 2^28637042 is an apocalyptic number.

28637042 is a deficient number, since it is larger than the sum of its proper divisors (20455054).

28637042 is a wasteful number, since it uses less digits than its factorization.

28637042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045512.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 28637042 is about 5351.3588928421. The cubic root of 28637042 is about 305.9445483127.

The spelling of 28637042 in words is "twenty-eight million, six hundred thirty-seven thousand, forty-two".