9742426 has 4 divisors (see below), whose sum is σ = 14613642. Its totient is φ = 4871212.

The previous prime is 9742417. The next prime is 9742427. The reversal of 9742426 is 6242479.

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., 8116801 + 1625625 = 2849^2 + 1275^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9742391 and 9742400.

It is not an unprimeable number, because it can be changed into a prime (9742427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435605 + ... + 2435608.

Almost surely, 2^9742426 is an apocalyptic number.

9742426 is a deficient number, since it is larger than the sum of its proper divisors (4871216).

9742426 is a wasteful number, since it uses less digits than its factorization.

9742426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871215.

The product of its digits is 24192, while the sum is 34.

The square root of 9742426 is about 3121.2859529367. The cubic root of 9742426 is about 213.5776016061.

The spelling of 9742426 in words is "nine million, seven hundred forty-two thousand, four hundred twenty-six".