870745443 has 8 divisors (see below), whose sum is σ = 1162872000. Its totient is φ = 579557928.

The previous prime is 870745439. The next prime is 870745483. The reversal of 870745443 is 344547078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870745443 - 2² = 870745439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 870745395 and 870745404.

It is not an unprimeable number, because it can be changed into a prime (870745483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232593 + ... + 236306.

It is an arithmetic number, because the mean of its divisors is an integer number (145359000).

Almost surely, 2^870745443 is an apocalyptic number.

870745443 is a deficient number, since it is larger than the sum of its proper divisors (292126557).

870745443 is a wasteful number, since it uses less digits than its factorization.

870745443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469521.

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 870745443 is about 29508.3961441485. The cubic root of 870745443 is about 954.9128482369.

The spelling of 870745443 in words is "eight hundred seventy million, seven hundred forty-five thousand, four hundred forty-three".