19472630 has 32 divisors (see below), whose sum is σ = 36741600. Its totient is φ = 7420672.

The previous prime is 19472627. The next prime is 19472647. The reversal of 19472630 is 3627491.

It is a Curzon number.

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 in 15 ways as a sum of consecutive naturals, for example, 23666 + ... + 24474.

It is an arithmetic number, because the mean of its divisors is an integer number (1148175).

Almost surely, 2^19472630 is an apocalyptic number.

19472630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19472630 is a deficient number, since it is larger than the sum of its proper divisors (17268970).

19472630 is a wasteful number, since it uses less digits than its factorization.

19472630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 19472630 is about 4412.7803027117. The cubic root of 19472630 is about 269.0346412734.

It can be divided in two parts, 19472 and 630, that added together give a palindrome (20102).

The spelling of 19472630 in words is "nineteen million, four hundred seventy-two thousand, six hundred thirty".