425747774 has 4 divisors (see below), whose sum is σ = 638621664. Its totient is φ = 212873886.

The previous prime is 425747767. The next prime is 425747783. The reversal of 425747774 is 477747524.

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

It is a super-4 number, since 4×425747774⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106436942 + ... + 106436945.

It is an arithmetic number, because the mean of its divisors is an integer number (159655416).

Almost surely, 2^425747774 is an apocalyptic number.

425747774 is a deficient number, since it is larger than the sum of its proper divisors (212873890).

425747774 is a wasteful number, since it uses less digits than its factorization.

425747774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212873889.

The product of its digits is 1536640, while the sum is 47.

The square root of 425747774 is about 20633.6563410366. The cubic root of 425747774 is about 752.2879902218.

The spelling of 425747774 in words is "four hundred twenty-five million, seven hundred forty-seven thousand, seven hundred seventy-four".