19672473 has 16 divisors (see below), whose sum is σ = 26922560. Its totient is φ = 12773376.

The previous prime is 19672459. The next prime is 19672481. The reversal of 19672473 is 37427691.

It is not a de Polignac number, because 19672473 - 2⁵ = 19672441 is a prime.

It is a Duffinian number.

Its product of digits (63504) is a multiple of the sum of its prime divisors (1176).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19672403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18993 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (1682660).

Almost surely, 2^19672473 is an apocalyptic number.

It is an amenable number.

19672473 is a deficient number, since it is larger than the sum of its proper divisors (7250087).

19672473 is a wasteful number, since it uses less digits than its factorization.

19672473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its digits is 63504, while the sum is 39.

The square root of 19672473 is about 4435.3661630129. The cubic root of 19672473 is about 269.9518569855.

The spelling of 19672473 in words is "nineteen million, six hundred seventy-two thousand, four hundred seventy-three".