249473073 has 8 divisors (see below), whose sum is σ = 336841600. Its totient is φ = 164209968.

The previous prime is 249473009. The next prime is 249473083. The reversal of 249473073 is 370374942.

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

It is not a de Polignac number, because 249473073 - 2⁶ = 249473009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249473083) 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, 526078 + ... + 526551.

It is an arithmetic number, because the mean of its divisors is an integer number (42105200).

Almost surely, 2^249473073 is an apocalyptic number.

It is an amenable number.

249473073 is a deficient number, since it is larger than the sum of its proper divisors (87368527).

249473073 is a wasteful number, since it uses less digits than its factorization.

249473073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052711.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 249473073 is about 15794.7166166411. The cubic root of 249473073 is about 629.5176226860.

The spelling of 249473073 in words is "two hundred forty-nine million, four hundred seventy-three thousand, seventy-three".