842627745 has 16 divisors (see below), whose sum is σ = 1498005120. Its totient is φ = 449401392.

The previous prime is 842627717. The next prime is 842627759. The reversal of 842627745 is 547726248.

It is a happy number.

842627745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842627745 - 2¹³ = 842619553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 842627745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3120709 + ... + 3120978.

It is an arithmetic number, because the mean of its divisors is an integer number (93625320).

Almost surely, 2^842627745 is an apocalyptic number.

It is an amenable number.

842627745 is a deficient number, since it is larger than the sum of its proper divisors (655377375).

842627745 is a wasteful number, since it uses less digits than its factorization.

842627745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241701 (or 6241695 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 842627745 is about 29028.0510024356. The cubic root of 842627745 is about 944.5216525911.

The spelling of 842627745 in words is "eight hundred forty-two million, six hundred twenty-seven thousand, seven hundred forty-five".