426547872 has 72 divisors (see below), whose sum is σ = 1276853760. Its totient is φ = 134697600.

The previous prime is 426547837. The next prime is 426547931. The reversal of 426547872 is 278745624.

It is a happy number.

426547872 is a `hidden beast` number, since 4 + 26 + 547 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33504 + ... + 44447.

It is an arithmetic number, because the mean of its divisors is an integer number (17734080).

Almost surely, 2^426547872 is an apocalyptic number.

It is an amenable number.

426547872 is an abundant number, since it is smaller than the sum of its proper divisors (850305888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426547872 is a wasteful number, since it uses less digits than its factorization.

426547872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77986 (or 77975 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 426547872 is about 20653.0354185529. The cubic root of 426547872 is about 752.7589478311.

The spelling of 426547872 in words is "four hundred twenty-six million, five hundred forty-seven thousand, eight hundred seventy-two".