19480730 has 8 divisors (see below), whose sum is σ = 35065332. Its totient is φ = 7792288.

The previous prime is 19480723. The next prime is 19480751. The reversal of 19480730 is 3708491.

It can be written as a sum of positive squares in 2 ways, for example, as 17197609 + 2283121 = 4147^2 + 1511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 974027 + ... + 974046.

Almost surely, 2^19480730 is an apocalyptic number.

19480730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19480730 is a deficient number, since it is larger than the sum of its proper divisors (15584602).

19480730 is a wasteful number, since it uses less digits than its factorization.

19480730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948080.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 19480730 is about 4413.6979960120. The cubic root of 19480730 is about 269.0719394111.

The spelling of 19480730 in words is "nineteen million, four hundred eighty thousand, seven hundred thirty".