70288943 has 4 divisors (see below), whose sum is σ = 73345008. Its totient is φ = 67232880.

The previous prime is 70288913. The next prime is 70288987. The reversal of 70288943 is 34988207.

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

It is a cyclic number.

It is not a de Polignac number, because 70288943 - 2⁶ = 70288879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70288943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70288913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527998 + ... + 1528043.

It is an arithmetic number, because the mean of its divisors is an integer number (18336252).

Almost surely, 2^70288943 is an apocalyptic number.

70288943 is a deficient number, since it is larger than the sum of its proper divisors (3056065).

70288943 is a wasteful number, since it uses less digits than its factorization.

70288943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056064.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 70288943 is about 8383.8501298628. The cubic root of 70288943 is about 412.6948070372.

The spelling of 70288943 in words is "seventy million, two hundred eighty-eight thousand, nine hundred forty-three".