28770373 has 8 divisors (see below), whose sum is σ = 29254176. Its totient is φ = 28290000.

The previous prime is 28770353. The next prime is 28770377. The reversal of 28770373 is 37307782.

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

It is a cyclic number.

It is not a de Polignac number, because 28770373 - 2⁹ = 28769861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28770377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20143 + ... + 21523.

It is an arithmetic number, because the mean of its divisors is an integer number (3656772).

Almost surely, 2^28770373 is an apocalyptic number.

It is an amenable number.

28770373 is a deficient number, since it is larger than the sum of its proper divisors (483803).

28770373 is a wasteful number, since it uses less digits than its factorization.

28770373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 28770373 is about 5363.8021029863. The cubic root of 28770373 is about 306.4186283318.

The spelling of 28770373 in words is "twenty-eight million, seven hundred seventy thousand, three hundred seventy-three".