19672472 has 8 divisors (see below), whose sum is σ = 36885900. Its totient is φ = 9836232.

The previous prime is 19672459. The next prime is 19672481. The reversal of 19672472 is 27427691.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229522 + ... + 1229537.

Almost surely, 2^19672472 is an apocalyptic number.

It is an amenable number.

19672472 is a deficient number, since it is larger than the sum of its proper divisors (17213428).

19672472 is a wasteful number, since it uses less digits than its factorization.

19672472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459065 (or 2459061 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 19672472 is about 4435.3660502827. The cubic root of 19672472 is about 269.9518524114.

The spelling of 19672472 in words is "nineteen million, six hundred seventy-two thousand, four hundred seventy-two".