42776343 has 20 divisors (see below), whose sum is σ = 66681648. Its totient is φ = 27276480.

The previous prime is 42776341. The next prime is 42776359. The reversal of 42776343 is 34367724.

It is a happy number.

It is not a de Polignac number, because 42776343 - 2¹ = 42776341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42776298 and 42776307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42776341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9618 + ... + 13343.

Almost surely, 2^42776343 is an apocalyptic number.

42776343 is a deficient number, since it is larger than the sum of its proper divisors (23905305).

42776343 is a wasteful number, since it uses less digits than its factorization.

42776343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22996 (or 22987 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 42776343 is about 6540.3626046267. The cubic root of 42776343 is about 349.7313394067.

The spelling of 42776343 in words is "forty-two million, seven hundred seventy-six thousand, three hundred forty-three".