425578726 has 8 divisors (see below), whose sum is σ = 658960704. Its totient is φ = 205925160.

The previous prime is 425578709. The next prime is 425578753. The reversal of 425578726 is 627875524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×425578726² = 362234504047566152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3432025 + ... + 3432148.

It is an arithmetic number, because the mean of its divisors is an integer number (82370088).

Almost surely, 2^425578726 is an apocalyptic number.

425578726 is a deficient number, since it is larger than the sum of its proper divisors (233381978).

425578726 is a wasteful number, since it uses less digits than its factorization.

425578726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864206.

The product of its digits is 940800, while the sum is 46.

The square root of 425578726 is about 20629.5595202612. The cubic root of 425578726 is about 752.1884088707.

The spelling of 425578726 in words is "four hundred twenty-five million, five hundred seventy-eight thousand, seven hundred twenty-six".