19630071 has 12 divisors (see below), whose sum is σ = 29332680. Its totient is φ = 12635280.

The previous prime is 19630069. The next prime is 19630123. The reversal of 19630071 is 17003691.

It is not a de Polignac number, because 19630071 - 2¹ = 19630069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19630031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37345 + ... + 37866.

It is an arithmetic number, because the mean of its divisors is an integer number (2444390).

Almost surely, 2^19630071 is an apocalyptic number.

19630071 is a deficient number, since it is larger than the sum of its proper divisors (9702609).

19630071 is a wasteful number, since it uses less digits than its factorization.

19630071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75246 (or 75243 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 19630071 is about 4430.5835958709. The cubic root of 19630071 is about 269.7577662812.

The spelling of 19630071 in words is "nineteen million, six hundred thirty thousand, seventy-one".