70100443 has 8 divisors (see below), whose sum is σ = 84331520. Its totient is φ = 56923560.

The previous prime is 70100441. The next prime is 70100473. The reversal of 70100443 is 34400107.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70100443 - 2¹ = 70100441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 70100443.

It is not an unprimeable number, because it can be changed into a prime (70100441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263403 + ... + 263668.

It is an arithmetic number, because the mean of its divisors is an integer number (10541440).

Almost surely, 2^70100443 is an apocalyptic number.

70100443 is a deficient number, since it is larger than the sum of its proper divisors (14231077).

70100443 is a wasteful number, since it uses less digits than its factorization.

70100443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527097.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70100443 is about 8372.6007309557. The cubic root of 70100443 is about 412.3255568488.

Subtracting from 70100443 its product of nonzero digits (336), we obtain a palindrome (70100107).

The spelling of 70100443 in words is "seventy million, one hundred thousand, four hundred forty-three".