19000070 has 16 divisors (see below), whose sum is σ = 35687520. Its totient is φ = 7269504.

The previous prime is 19000043. The next prime is 19000073. The reversal of 19000070 is 7000091.

It is a super-2 number, since 2×19000070² = 722005320009800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19000073) 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 7 ways as a sum of consecutive naturals, for example, 41075 + ... + 41534.

It is an arithmetic number, because the mean of its divisors is an integer number (2230470).

Almost surely, 2^19000070 is an apocalyptic number.

19000070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19000070 is a deficient number, since it is larger than the sum of its proper divisors (16687450).

19000070 is a wasteful number, since it uses less digits than its factorization.

19000070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82639.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 19000070 is about 4358.9069730840. The cubic root of 19000070 is about 266.8404925702.

The spelling of 19000070 in words is "nineteen million, seventy", and thus it is an aban number and an uban number.