19730468 has 12 divisors (see below), whose sum is σ = 34564992. Its totient is φ = 9854760.

The previous prime is 19730467. The next prime is 19730483. The reversal of 19730468 is 86403791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19730467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (2880416).

Almost surely, 2^19730468 is an apocalyptic number.

It is an amenable number.

19730468 is a deficient number, since it is larger than the sum of its proper divisors (14834524).

19730468 is a wasteful number, since it uses less digits than its factorization.

19730468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242 (or 5240 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 19730468 is about 4441.8991433845. The cubic root of 19730468 is about 270.2168719374.

The spelling of 19730468 in words is "nineteen million, seven hundred thirty thousand, four hundred sixty-eight".