28450726 has 8 divisors (see below), whose sum is σ = 42699384. Its totient is φ = 14217600.

The previous prime is 28450717. The next prime is 28450727. The reversal of 28450726 is 62705482.

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

It is a junction number, because it is equal to n+sod(n) for n = 28450691 and 28450700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28450727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526 + ... + 8326.

It is an arithmetic number, because the mean of its divisors is an integer number (5337423).

Almost surely, 2^28450726 is an apocalyptic number.

28450726 is a deficient number, since it is larger than the sum of its proper divisors (14248658).

28450726 is a wasteful number, since it uses less digits than its factorization.

28450726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 28450726 is about 5333.9221966579. The cubic root of 28450726 is about 305.2796002752.

The spelling of 28450726 in words is "twenty-eight million, four hundred fifty thousand, seven hundred twenty-six".