19718050 has 24 divisors (see below), whose sum is σ = 40010832. Its totient is φ = 7170000.

The previous prime is 19718047. The next prime is 19718059. The reversal of 19718050 is 5081791.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19718059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17376 + ... + 18475.

It is an arithmetic number, because the mean of its divisors is an integer number (1667118).

Almost surely, 2^19718050 is an apocalyptic number.

19718050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19718050 is an abundant number, since it is smaller than the sum of its proper divisors (20292782).

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

19718050 is a wasteful number, since it uses less digits than its factorization.

19718050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35874 (or 35869 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 19718050 is about 4440.5010978492. The cubic root of 19718050 is about 270.1601701681.

The spelling of 19718050 in words is "nineteen million, seven hundred eighteen thousand, fifty".