19074340 has 24 divisors (see below), whose sum is σ = 42413112. Its totient is φ = 7180800.

The previous prime is 19074317. The next prime is 19074343. The reversal of 19074340 is 4347091.

It can be written as a sum of positive squares in 4 ways, for example, as 5116644 + 13957696 = 2262^2 + 3736^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19074299 and 19074308.

It is not an unprimeable number, because it can be changed into a prime (19074343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27711 + ... + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (1767213).

Almost surely, 2^19074340 is an apocalyptic number.

19074340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19074340 is an abundant number, since it is smaller than the sum of its proper divisors (23338772).

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

19074340 is a wasteful number, since it uses less digits than its factorization.

19074340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56127 (or 56125 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 19074340 is about 4367.4180015199. The cubic root of 19074340 is about 267.1877277223.

The spelling of 19074340 in words is "nineteen million, seventy-four thousand, three hundred forty".