19927672 has 16 divisors (see below), whose sum is σ = 39562560. Its totient is φ = 9377664.

The previous prime is 19927667. The next prime is 19927679. The reversal of 19927672 is 27672991.

It is a super-2 number, since 2×19927672² = 794224222679168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19927679) 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, 73128 + ... + 73399.

It is an arithmetic number, because the mean of its divisors is an integer number (2472660).

Almost surely, 2^19927672 is an apocalyptic number.

It is an amenable number.

19927672 is a deficient number, since it is larger than the sum of its proper divisors (19634888).

19927672 is a wasteful number, since it uses less digits than its factorization.

19927672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146550 (or 146546 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 19927672 is about 4464.0421144967. The cubic root of 19927672 is about 271.1141524239.

The spelling of 19927672 in words is "nineteen million, nine hundred twenty-seven thousand, six hundred seventy-two".