426749672 has 16 divisors (see below), whose sum is σ = 801735300. Its totient is φ = 212953600.

The previous prime is 426749663. The next prime is 426749683. The reversal of 426749672 is 276947624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 358950916 + 67798756 = 18946^2 + 8234^2 .

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, 48329 + ... + 56472.

Almost surely, 2^426749672 is an apocalyptic number.

It is an amenable number.

426749672 is a deficient number, since it is larger than the sum of its proper divisors (374985628).

426749672 is a wasteful number, since it uses less digits than its factorization.

426749672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105316 (or 105312 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 426749672 is about 20657.9203212715. The cubic root of 426749672 is about 752.8776393201.

The spelling of 426749672 in words is "four hundred twenty-six million, seven hundred forty-nine thousand, six hundred seventy-two".