425566742 has 8 divisors (see below), whose sum is σ = 644931336. Its totient is φ = 210589632.

The previous prime is 425566727. The next prime is 425566751. The reversal of 425566742 is 247665524.

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

It is a super-2 number, since 2×425566742² = 362214103792989128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425566742.

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, 1096628 + ... + 1097015.

It is an arithmetic number, because the mean of its divisors is an integer number (80616417).

Almost surely, 2^425566742 is an apocalyptic number.

425566742 is a deficient number, since it is larger than the sum of its proper divisors (219364594).

425566742 is a wasteful number, since it uses less digits than its factorization.

425566742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193742.

The product of its digits is 403200, while the sum is 41.

The square root of 425566742 is about 20629.2690612149. The cubic root of 425566742 is about 752.1813484375.

The spelling of 425566742 in words is "four hundred twenty-five million, five hundred sixty-six thousand, seven hundred forty-two".