870749345 has 8 divisors (see below), whose sum is σ = 1045068864. Its totient is φ = 696486384.

The previous prime is 870749323. The next prime is 870749357. The reversal of 870749345 is 543947078.

870749345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 870749345 - 2¹⁶ = 870683809 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 870749345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35732 + ... + 54938.

It is an arithmetic number, because the mean of its divisors is an integer number (130633608).

Almost surely, 2^870749345 is an apocalyptic number.

It is an amenable number.

870749345 is a deficient number, since it is larger than the sum of its proper divisors (174319519).

870749345 is a wasteful number, since it uses less digits than its factorization.

870749345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28279.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 870749345 is about 29508.4622608499. The cubic root of 870749345 is about 954.9142746256.

The spelling of 870749345 in words is "eight hundred seventy million, seven hundred forty-nine thousand, three hundred forty-five".