19142372 has 6 divisors (see below), whose sum is σ = 33499158. Its totient is φ = 9571184.

The previous prime is 19142341. The next prime is 19142377. The reversal of 19142372 is 27324191.

It can be written as a sum of positive squares in only one way, i.e., 15555136 + 3587236 = 3944^2 + 1894^2 .

It is not an unprimeable number, because it can be changed into a prime (19142377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2392793 + ... + 2392800.

It is an arithmetic number, because the mean of its divisors is an integer number (5583193).

Almost surely, 2^19142372 is an apocalyptic number.

It is an amenable number.

19142372 is a deficient number, since it is larger than the sum of its proper divisors (14356786).

19142372 is a wasteful number, since it uses less digits than its factorization.

19142372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785597 (or 4785595 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 19142372 is about 4375.1996525873. The cubic root of 19142372 is about 267.5050082039.

The spelling of 19142372 in words is "nineteen million, one hundred forty-two thousand, three hundred seventy-two".