19380070 has 8 divisors (see below), whose sum is σ = 34884144. Its totient is φ = 7752024.

The previous prime is 19380059. The next prime is 19380077. The reversal of 19380070 is 7008391.

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

It is a super-2 number, since 2×19380070² = 751174226409800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19380077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968994 + ... + 969013.

It is an arithmetic number, because the mean of its divisors is an integer number (4360518).

Almost surely, 2^19380070 is an apocalyptic number.

19380070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19380070 is a deficient number, since it is larger than the sum of its proper divisors (15504074).

19380070 is a wasteful number, since it uses less digits than its factorization.

19380070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938014.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 19380070 is about 4402.2800910437. The cubic root of 19380070 is about 268.6076931834.

The spelling of 19380070 in words is "nineteen million, three hundred eighty thousand, seventy".