19027974 has 48 divisors (see below), whose sum is σ = 45037296. Its totient is φ = 5342400.

The previous prime is 19027951. The next prime is 19027979. The reversal of 19027974 is 47972091.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19027979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17404 + ... + 18464.

It is an arithmetic number, because the mean of its divisors is an integer number (938277).

Almost surely, 2^19027974 is an apocalyptic number.

19027974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19027974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22518648).

19027974 is an abundant number, since it is smaller than the sum of its proper divisors (26009322).

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

19027974 is a wasteful number, since it uses less digits than its factorization.

19027974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 19027974 is about 4362.1066011733. The cubic root of 19027974 is about 266.9710583170.

The spelling of 19027974 in words is "nineteen million, twenty-seven thousand, nine hundred seventy-four".