786543342 has 32 divisors (see below), whose sum is σ = 1783259520. Its totient is φ = 229275360.

The previous prime is 786543311. The next prime is 786543353. The reversal of 786543342 is 243345687.

It is a junction number, because it is equal to n+sod(n) for n = 786543294 and 786543303.

It is a congruent number.

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, 263884 + ... + 266847.

It is an arithmetic number, because the mean of its divisors is an integer number (55726860).

Almost surely, 2^786543342 is an apocalyptic number.

786543342 is an abundant number, since it is smaller than the sum of its proper divisors (996716178).

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

786543342 is a wasteful number, since it uses less digits than its factorization.

786543342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530768.

The product of its digits is 483840, while the sum is 42.

The square root of 786543342 is about 28045.3800473447. The cubic root of 786543342 is about 923.0832838547.

It can be divided in two parts, 786543 and 342, that added together give a triangular number (786885 = T₁₂₅₄).

The spelling of 786543342 in words is "seven hundred eighty-six million, five hundred forty-three thousand, three hundred forty-two".