28125374 has 4 divisors (see below), whose sum is σ = 42188064. Its totient is φ = 14062686.

The previous prime is 28125353. The next prime is 28125403. The reversal of 28125374 is 47352182.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28125374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7031342 + ... + 7031345.

It is an arithmetic number, because the mean of its divisors is an integer number (10547016).

Almost surely, 2^28125374 is an apocalyptic number.

28125374 is a deficient number, since it is larger than the sum of its proper divisors (14062690).

28125374 is a wasteful number, since it uses less digits than its factorization.

28125374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062689.

The product of its digits is 13440, while the sum is 32.

The square root of 28125374 is about 5303.3361198400. The cubic root of 28125374 is about 304.1114477689. Note that the first 3 decimals are identical.

The spelling of 28125374 in words is "twenty-eight million, one hundred twenty-five thousand, three hundred seventy-four".