19752472 has 16 divisors (see below), whose sum is σ = 37083240. Its totient is φ = 9863616.

The previous prime is 19752431. The next prime is 19752479. The reversal of 19752472 is 27425791.

It is a super-2 number, since 2×19752472² = 780320300221568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19752479) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10603 + ... + 12325.

Almost surely, 2^19752472 is an apocalyptic number.

It is an amenable number.

19752472 is a deficient number, since it is larger than the sum of its proper divisors (17330768).

19752472 is a wasteful number, since it uses less digits than its factorization.

19752472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3158 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 19752472 is about 4444.3753216847. The cubic root of 19752472 is about 270.3172858943.

The spelling of 19752472 in words is "nineteen million, seven hundred fifty-two thousand, four hundred seventy-two".