428726076 has 24 divisors (see below), whose sum is σ = 1002462720. Its totient is φ = 142608432.

The previous prime is 428726071. The next prime is 428726101. The reversal of 428726076 is 670627824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428726071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31546 + ... + 43041.

It is an arithmetic number, because the mean of its divisors is an integer number (41769280).

Almost surely, 2^428726076 is an apocalyptic number.

It is an amenable number.

428726076 is an abundant number, since it is smaller than the sum of its proper divisors (573736644).

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

428726076 is a wasteful number, since it uses less digits than its factorization.

428726076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75073 (or 75071 counting only the distinct ones).

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

The square root of 428726076 is about 20705.7015336356. The cubic root of 428726076 is about 754.0381160270.

The spelling of 428726076 in words is "four hundred twenty-eight million, seven hundred twenty-six thousand, seventy-six".