42790671 has 36 divisors (see below), whose sum is σ = 78445224. Its totient is φ = 22226400.

The previous prime is 42790651. The next prime is 42790673. The reversal of 42790671 is 17609724.

It is a happy number.

It is not a de Polignac number, because 42790671 - 2⁶ = 42790607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42790673) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 441 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (2179034).

Almost surely, 2^42790671 is an apocalyptic number.

42790671 is a deficient number, since it is larger than the sum of its proper divisors (35654553).

42790671 is a wasteful number, since it uses less digits than its factorization.

42790671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852 (or 8842 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 42790671 is about 6541.4578650328. The cubic root of 42790671 is about 349.7703827260.

The spelling of 42790671 in words is "forty-two million, seven hundred ninety thousand, six hundred seventy-one".