19007242 has 8 divisors (see below), whose sum is σ = 28872000. Its totient is φ = 9383244.

The previous prime is 19007227. The next prime is 19007251. The reversal of 19007242 is 24270091.

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

It is a super-2 number, since 2×19007242² = 722550496893128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59992 + ... + 60307.

It is an arithmetic number, because the mean of its divisors is an integer number (3609000).

Almost surely, 2^19007242 is an apocalyptic number.

19007242 is a deficient number, since it is larger than the sum of its proper divisors (9864758).

19007242 is a wasteful number, since it uses less digits than its factorization.

19007242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120380.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 19007242 is about 4359.7295787698. The cubic root of 19007242 is about 266.8740633108.

The spelling of 19007242 in words is "nineteen million, seven thousand, two hundred forty-two".