19001072 has 10 divisors (see below), whose sum is σ = 36814608. Its totient is φ = 9500528.

The previous prime is 19001069. The next prime is 19001077. The reversal of 19001072 is 27010091.

It is a super-2 number, since 2×19001072² = 722081474298368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19001077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593768 + ... + 593799.

Almost surely, 2^19001072 is an apocalyptic number.

It is an amenable number.

19001072 is a deficient number, since it is larger than the sum of its proper divisors (17813536).

19001072 is a wasteful number, since it uses less digits than its factorization.

19001072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187575 (or 1187569 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 19001072 is about 4359.0219086396. The cubic root of 19001072 is about 266.8451832455.

The spelling of 19001072 in words is "nineteen million, one thousand, seventy-two".