19468474 has 4 divisors (see below), whose sum is σ = 29202714. Its totient is φ = 9734236.

The previous prime is 19468453. The next prime is 19468487. The reversal of 19468474 is 47486491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16769025 + 2699449 = 4095^2 + 1643^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19468474.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4867117 + ... + 4867120.

Almost surely, 2^19468474 is an apocalyptic number.

19468474 is a deficient number, since it is larger than the sum of its proper divisors (9734240).

19468474 is an equidigital number, since it uses as much as digits as its factorization.

19468474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734239.

The product of its digits is 193536, while the sum is 43.

The square root of 19468474 is about 4412.3093726528. The cubic root of 19468474 is about 269.0155000903.

The spelling of 19468474 in words is "nineteen million, four hundred sixty-eight thousand, four hundred seventy-four".