70798043 has 4 divisors (see below), whose sum is σ = 70815048. Its totient is φ = 70781040.

The previous prime is 70798037. The next prime is 70798061. The reversal of 70798043 is 34089707.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70798043 - 2¹⁰ = 70797019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70797988 and 70798006.

It is not an unprimeable number, because it can be changed into a prime (70798073) 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 3 ways as a sum of consecutive naturals, for example, 2423 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (17703762).

Almost surely, 2^70798043 is an apocalyptic number.

70798043 is a deficient number, since it is larger than the sum of its proper divisors (17005).

70798043 is an equidigital number, since it uses as much as digits as its factorization.

70798043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70798043 is about 8414.1572958913. The cubic root of 70798043 is about 413.6887884182.

Subtracting from 70798043 its product of nonzero digits (42336), we obtain a palindrome (70755707).

The spelling of 70798043 in words is "seventy million, seven hundred ninety-eight thousand, forty-three".