19925072 has 20 divisors (see below), whose sum is σ = 40637280. Its totient is φ = 9438048.

The previous prime is 19925069. The next prime is 19925077. The reversal of 19925072 is 27052991.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19925077) 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, 32468 + ... + 33075.

It is an arithmetic number, because the mean of its divisors is an integer number (2031864).

Almost surely, 2^19925072 is an apocalyptic number.

It is an amenable number.

19925072 is an abundant number, since it is smaller than the sum of its proper divisors (20712208).

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

19925072 is a wasteful number, since it uses less digits than its factorization.

19925072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65570 (or 65564 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 19925072 is about 4463.7508891066. The cubic root of 19925072 is about 271.1023609904.

The spelling of 19925072 in words is "nineteen million, nine hundred twenty-five thousand, seventy-two".