70878043 has 2 divisors, whose sum is σ = 70878044. Its totient is φ = 70878042.

The previous prime is 70877993. The next prime is 70878047. The reversal of 70878043 is 34087807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70878043 - 2⁹ = 70877531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70877993 and 70878011.

It is not a weakly prime, because it can be changed into another prime (70878047) 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 as a sum of consecutive naturals, namely, 35439021 + 35439022.

It is an arithmetic number, because the mean of its divisors is an integer number (35439022).

Almost surely, 2^70878043 is an apocalyptic number.

70878043 is a deficient number, since it is larger than the sum of its proper divisors (1).

70878043 is an equidigital number, since it uses as much as digits as its factorization.

70878043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 70878043 is about 8418.9098462925. The cubic root of 70878043 is about 413.8445490576.

It can be divided in two parts, 7087804 and 3, that added together give a palindrome (7087807).

The spelling of 70878043 in words is "seventy million, eight hundred seventy-eight thousand, forty-three".