42467738 has 4 divisors (see below), whose sum is σ = 63701610. Its totient is φ = 21233868.

The previous prime is 42467731. The next prime is 42467753. The reversal of 42467738 is 83776424.

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

It can be written as a sum of positive squares in only one way, i.e., 33605209 + 8862529 = 5797^2 + 2977^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42467695 and 42467704.

It is not an unprimeable number, because it can be changed into a prime (42467731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616933 + ... + 10616936.

Almost surely, 2^42467738 is an apocalyptic number.

42467738 is a deficient number, since it is larger than the sum of its proper divisors (21233872).

42467738 is a wasteful number, since it uses less digits than its factorization.

42467738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233871.

The product of its digits is 225792, while the sum is 41.

The square root of 42467738 is about 6516.7275529977. The cubic root of 42467738 is about 348.8882765949. Note that the first 3 decimals are identical.

The spelling of 42467738 in words is "forty-two million, four hundred sixty-seven thousand, seven hundred thirty-eight".