28451074 has 16 divisors (see below), whose sum is σ = 43769088. Its totient is φ = 13864032.

The previous prime is 28451063. The next prime is 28451083. The reversal of 28451074 is 47015482.

It is a super-2 number, since 2×28451074² = 1618927223506952, which contains 22 as substring.

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, 28939 + ... + 29905.

It is an arithmetic number, because the mean of its divisors is an integer number (2735568).

Almost surely, 2^28451074 is an apocalyptic number.

28451074 is a deficient number, since it is larger than the sum of its proper divisors (15318014).

28451074 is a wasteful number, since it uses less digits than its factorization.

28451074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 28451074 is about 5333.9548179564. The cubic root of 28451074 is about 305.2808449637.

The spelling of 28451074 in words is "twenty-eight million, four hundred fifty-one thousand, seventy-four".