19648072 has 16 divisors (see below), whose sum is σ = 38442240. Its totient is φ = 9396816.

The previous prime is 19648063. The next prime is 19648081. The reversal of 19648072 is 27084691.

It is an interprime number because it is at equal distance from previous prime (19648063) and next prime (19648081).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53208 + ... + 53575.

It is an arithmetic number, because the mean of its divisors is an integer number (2402640).

Almost surely, 2^19648072 is an apocalyptic number.

It is an amenable number.

19648072 is a deficient number, since it is larger than the sum of its proper divisors (18794168).

19648072 is a wasteful number, since it uses less digits than its factorization.

19648072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106812 (or 106808 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 19648072 is about 4432.6145783273. The cubic root of 19648072 is about 269.8401980768.

It can be divided in two parts, 19 and 648072, that added together give a triangular number (648091 = T₁₁₃₈).

The spelling of 19648072 in words is "nineteen million, six hundred forty-eight thousand, seventy-two".