19030772 has 12 divisors (see below), whose sum is σ = 33452160. Its totient is φ = 9473016.

The previous prime is 19030771. The next prime is 19030777. The reversal of 19030772 is 27703091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19030771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9572 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (2787680).

Almost surely, 2^19030772 is an apocalyptic number.

It is an amenable number.

19030772 is a deficient number, since it is larger than the sum of its proper divisors (14421388).

19030772 is a wasteful number, since it uses less digits than its factorization.

19030772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21190 (or 21188 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 19030772 is about 4362.4273059846. The cubic root of 19030772 is about 266.9841434097.

The spelling of 19030772 in words is "nineteen million, thirty thousand, seven hundred seventy-two".