70343019 has 32 divisors (see below), whose sum is σ = 107092800. Its totient is φ = 45619200.

The previous prime is 70342963. The next prime is 70343027. The reversal of 70343019 is 91034307.

It is not a de Polignac number, because 70343019 - 2⁷ = 70342891 is a prime.

It is a super-2 number, since 2×70343019² = 9896280644068722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70342983 and 70343001.

It is not an unprimeable number, because it can be changed into a prime (70343069) 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 31 ways as a sum of consecutive naturals, for example, 175219 + ... + 175619.

It is an arithmetic number, because the mean of its divisors is an integer number (3346650).

Almost surely, 2^70343019 is an apocalyptic number.

70343019 is a deficient number, since it is larger than the sum of its proper divisors (36749781).

70343019 is a wasteful number, since it uses less digits than its factorization.

70343019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 70343019 is about 8387.0745197596. The cubic root of 70343019 is about 412.8006139289.

The spelling of 70343019 in words is "seventy million, three hundred forty-three thousand, nineteen".