42784692 has 24 divisors (see below), whose sum is σ = 104172096. Its totient is φ = 13641408.

The previous prime is 42784673. The next prime is 42784697. The reversal of 42784692 is 29648724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42784697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77233 + ... + 77784.

It is an arithmetic number, because the mean of its divisors is an integer number (4340504).

Almost surely, 2^42784692 is an apocalyptic number.

It is an amenable number.

42784692 is an abundant number, since it is smaller than the sum of its proper divisors (61387404).

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

42784692 is a wasteful number, since it uses less digits than its factorization.

42784692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155047 (or 155045 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 42784692 is about 6541.0008408500. Note that the first 3 decimals coincide. The cubic root of 42784692 is about 349.7540912114.

The spelling of 42784692 in words is "forty-two million, seven hundred eighty-four thousand, six hundred ninety-two".