19748070 has 32 divisors (see below), whose sum is σ = 52662240. Its totient is φ = 5266080.

The previous prime is 19748039. The next prime is 19748077. The reversal of 19748070 is 7084791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19748077) 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 15 ways as a sum of consecutive naturals, for example, 36301 + ... + 36840.

It is an arithmetic number, because the mean of its divisors is an integer number (1645695).

Almost surely, 2^19748070 is an apocalyptic number.

19748070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19748070 is an abundant number, since it is smaller than the sum of its proper divisors (32914170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19748070 is a wasteful number, since it uses less digits than its factorization.

19748070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73157 (or 73151 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 19748070 is about 4443.8800613878. The cubic root of 19748070 is about 270.2972035961.

The spelling of 19748070 in words is "nineteen million, seven hundred forty-eight thousand, seventy".