70700043 has 4 divisors (see below), whose sum is σ = 94266728. Its totient is φ = 47133360.

The previous prime is 70700033. The next prime is 70700051. The reversal of 70700043 is 34000707.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70700043 - 2⁴ = 70700027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70699992 and 70700019.

It is not an unprimeable number, because it can be changed into a prime (70700033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11783338 + ... + 11783343.

It is an arithmetic number, because the mean of its divisors is an integer number (23566682).

Almost surely, 2^70700043 is an apocalyptic number.

70700043 is a deficient number, since it is larger than the sum of its proper divisors (23566685).

70700043 is a wasteful number, since it uses less digits than its factorization.

70700043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23566684.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 70700043 is about 8408.3317608191. The cubic root of 70700043 is about 413.4978216435.

The spelling of 70700043 in words is "seventy million, seven hundred thousand, forty-three".