42776634 has 8 divisors (see below), whose sum is σ = 85553280. Its totient is φ = 14258876.

The previous prime is 42776633. The next prime is 42776647. The reversal of 42776634 is 43667724.

It is a sphenic number, since it is the product of 3 distinct primes.

42776634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42776592 and 42776601.

It is not an unprimeable number, because it can be changed into a prime (42776633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3564714 + ... + 3564725.

It is an arithmetic number, because the mean of its divisors is an integer number (10694160).

Almost surely, 2^42776634 is an apocalyptic number.

42776634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42776634 is a wasteful number, since it uses less digits than its factorization.

42776634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129444.

The product of its digits is 169344, while the sum is 39.

The square root of 42776634 is about 6540.3848510619. The cubic root of 42776634 is about 349.7321324586.

The spelling of 42776634 in words is "forty-two million, seven hundred seventy-six thousand, six hundred thirty-four".