203440772 has 12 divisors (see below), whose sum is σ = 356516160. Its totient is φ = 101579016.

The previous prime is 203440747. The next prime is 203440777. The reversal of 203440772 is 277044302.

It is not an unprimeable number, because it can be changed into a prime (203440777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32072 + ... + 37887.

It is an arithmetic number, because the mean of its divisors is an integer number (29709680).

Almost surely, 2^203440772 is an apocalyptic number.

It is an amenable number.

203440772 is a deficient number, since it is larger than the sum of its proper divisors (153075388).

203440772 is a wasteful number, since it uses less digits than its factorization.

203440772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70690 (or 70688 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 203440772 is about 14263.2665262905. The cubic root of 203440772 is about 588.1381237211.

The spelling of 203440772 in words is "two hundred three million, four hundred forty thousand, seven hundred seventy-two".