19472071 has 8 divisors (see below), whose sum is σ = 19792080. Its totient is φ = 19154688.

The previous prime is 19472059. The next prime is 19472083. The reversal of 19472071 is 17027491.

It is an interprime number because it is at equal distance from previous prime (19472059) and next prime (19472083).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19472071 - 2⁵ = 19472039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19472051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18600 + ... + 19618.

It is an arithmetic number, because the mean of its divisors is an integer number (2474010).

Almost surely, 2^19472071 is an apocalyptic number.

19472071 is a deficient number, since it is larger than the sum of its proper divisors (320009).

19472071 is a wasteful number, since it uses less digits than its factorization.

19472071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 19472071 is about 4412.7169635045. The cubic root of 19472071 is about 269.0320668599.

The spelling of 19472071 in words is "nineteen million, four hundred seventy-two thousand, seventy-one".