70813443 has 16 divisors (see below), whose sum is σ = 96837120. Its totient is φ = 46008096.

The previous prime is 70813417. The next prime is 70813451. The reversal of 70813443 is 34431807.

It is not a de Polignac number, because 70813443 - 2⁸ = 70813187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70813443.

It is not an unprimeable number, because it can be changed into a prime (70813453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36996 + ... + 38862.

It is an arithmetic number, because the mean of its divisors is an integer number (6052320).

Almost surely, 2^70813443 is an apocalyptic number.

70813443 is a deficient number, since it is larger than the sum of its proper divisors (26023677).

70813443 is a wasteful number, since it uses less digits than its factorization.

70813443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 70813443 is about 8415.0723704553. The cubic root of 70813443 is about 413.7187814575.

The spelling of 70813443 in words is "seventy million, eight hundred thirteen thousand, four hundred forty-three".