842747741 has 16 divisors (see below), whose sum is σ = 969228288. Its totient is φ = 725631600.

The previous prime is 842747723. The next prime is 842747767. The reversal of 842747741 is 147747248.

It is a cyclic number.

It is not a de Polignac number, because 842747741 - 2⁶ = 842747677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 842747692 and 842747701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842747701) 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, 10265 + ... + 42318.

It is an arithmetic number, because the mean of its divisors is an integer number (60576768).

Almost surely, 2^842747741 is an apocalyptic number.

It is an amenable number.

842747741 is a deficient number, since it is larger than the sum of its proper divisors (126480547).

842747741 is a wasteful number, since it uses less digits than its factorization.

842747741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52672.

The product of its digits is 351232, while the sum is 44.

The square root of 842747741 is about 29030.1178261474. The cubic root of 842747741 is about 944.5664859279.

The spelling of 842747741 in words is "eight hundred forty-two million, seven hundred forty-seven thousand, seven hundred forty-one".