19207242 has 12 divisors (see below), whose sum is σ = 41615730. Its totient is φ = 6402408.

The previous prime is 19207241. The next prime is 19207247. The reversal of 19207242 is 24270291.

It can be written as a sum of positive squares in only one way, i.e., 18584721 + 622521 = 4311^2 + 789^2 .

It is not an unprimeable number, because it can be changed into a prime (19207241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533517 + ... + 533552.

Almost surely, 2^19207242 is an apocalyptic number.

19207242 is an abundant number, since it is smaller than the sum of its proper divisors (22408488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19207242 is a wasteful number, since it uses less digits than its factorization.

19207242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067077 (or 1067074 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 19207242 is about 4382.6067585399. The cubic root of 19207242 is about 267.8068426996.

The spelling of 19207242 in words is "nineteen million, two hundred seven thousand, two hundred forty-two".