42290712 has 24 divisors (see below), whose sum is σ = 114537540. Its totient is φ = 14096880.

The previous prime is 42290707. The next prime is 42290723. The reversal of 42290712 is 21709224.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293614 + ... + 293757.

Almost surely, 2^42290712 is an apocalyptic number.

It is an amenable number.

42290712 is an abundant number, since it is smaller than the sum of its proper divisors (72246828).

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

42290712 is a wasteful number, since it uses less digits than its factorization.

42290712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587383 (or 587376 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42290712 is about 6503.1309382481. The cubic root of 42290712 is about 348.4028232712.

Adding to 42290712 its reverse (21709224), we get a palindrome (63999936).

The spelling of 42290712 in words is "forty-two million, two hundred ninety thousand, seven hundred twelve".