42293726 has 4 divisors (see below), whose sum is σ = 63440592. Its totient is φ = 21146862.

The previous prime is 42293723. The next prime is 42293731. The reversal of 42293726 is 62739224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42293723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10573430 + ... + 10573433.

It is an arithmetic number, because the mean of its divisors is an integer number (15860148).

Almost surely, 2^42293726 is an apocalyptic number.

42293726 is a deficient number, since it is larger than the sum of its proper divisors (21146866).

42293726 is a wasteful number, since it uses less digits than its factorization.

42293726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21146865.

The product of its digits is 36288, while the sum is 35.

The square root of 42293726 is about 6503.3626686507. The cubic root of 42293726 is about 348.4110998022.

The spelling of 42293726 in words is "forty-two million, two hundred ninety-three thousand, seven hundred twenty-six".