428373672 has 32 divisors (see below), whose sum is σ = 1086022080. Its totient is φ = 140779520.

The previous prime is 428373653. The next prime is 428373683. The reversal of 428373672 is 276373824.

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 7 ways as a sum of consecutive naturals, for example, 123993 + ... + 127400.

It is an arithmetic number, because the mean of its divisors is an integer number (33938190).

Almost surely, 2^428373672 is an apocalyptic number.

It is an amenable number.

428373672 is an abundant number, since it is smaller than the sum of its proper divisors (657648408).

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

428373672 is a wasteful number, since it uses less digits than its factorization.

428373672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251473 (or 251469 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 428373672 is about 20697.1899541943. The cubic root of 428373672 is about 753.8314581293.

The spelling of 428373672 in words is "four hundred twenty-eight million, three hundred seventy-three thousand, six hundred seventy-two".