428570773 has 8 divisors (see below), whose sum is σ = 437125248. Its totient is φ = 420033744.

The previous prime is 428570761. The next prime is 428570797. The reversal of 428570773 is 377075824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428570773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428570713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52536 + ... + 60142.

It is an arithmetic number, because the mean of its divisors is an integer number (54640656).

Almost surely, 2^428570773 is an apocalyptic number.

It is an amenable number.

428570773 is a deficient number, since it is larger than the sum of its proper divisors (8554475).

428570773 is a wasteful number, since it uses less digits than its factorization.

428570773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723.

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 428570773 is about 20701.9509467103. The cubic root of 428570773 is about 753.9470566995.

The spelling of 428570773 in words is "four hundred twenty-eight million, five hundred seventy thousand, seven hundred seventy-three".