426806772 has 24 divisors (see below), whose sum is σ = 1138151616. Its totient is φ = 121944768.

The previous prime is 426806753. The next prime is 426806797. The reversal of 426806772 is 277608624.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540433 + ... + 2540600.

It is an arithmetic number, because the mean of its divisors is an integer number (47422984).

Almost surely, 2^426806772 is an apocalyptic number.

426806772 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

426806772 is an abundant number, since it is smaller than the sum of its proper divisors (711344844).

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

426806772 is a wasteful number, since it uses less digits than its factorization.

426806772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081047 (or 5081045 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 426806772 is about 20659.3023115496. The cubic root of 426806772 is about 752.9112166910.

The spelling of 426806772 in words is "four hundred twenty-six million, eight hundred six thousand, seven hundred seventy-two".