786842742 has 32 divisors (see below), whose sum is σ = 1876695552. Its totient is φ = 215037504.

The previous prime is 786842741. The next prime is 786842747. The reversal of 786842742 is 247248687.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 786842691 and 786842700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (786842741) 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, 406303 + ... + 408234.

It is an arithmetic number, because the mean of its divisors is an integer number (58646736).

Almost surely, 2^786842742 is an apocalyptic number.

786842742 is an abundant number, since it is smaller than the sum of its proper divisors (1089852810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

786842742 is a wasteful number, since it uses less digits than its factorization.

786842742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814572.

The product of its digits is 1204224, while the sum is 48.

The square root of 786842742 is about 28050.7173170313. The cubic root of 786842742 is about 923.2003937712.

The spelling of 786842742 in words is "seven hundred eighty-six million, eight hundred forty-two thousand, seven hundred forty-two".