428061752 has 8 divisors (see below), whose sum is σ = 802615800. Its totient is φ = 214030872.

The previous prime is 428061749. The next prime is 428061797. The reversal of 428061752 is 257160824.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 26753852 + ... + 26753867.

It is an arithmetic number, because the mean of its divisors is an integer number (100326975).

Almost surely, 2^428061752 is an apocalyptic number.

It is an amenable number.

428061752 is a deficient number, since it is larger than the sum of its proper divisors (374554048).

428061752 is a wasteful number, since it uses less digits than its factorization.

428061752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53507725 (or 53507721 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 428061752 is about 20689.6532595401. The cubic root of 428061752 is about 753.6484464131.

The spelling of 428061752 in words is "four hundred twenty-eight million, sixty-one thousand, seven hundred fifty-two".