428766075 has 36 divisors (see below), whose sum is σ = 788648680. Its totient is φ = 228388320.

The previous prime is 428766071. The next prime is 428766167. The reversal of 428766075 is 570667824.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 428766075 - 2² = 428766071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 428766075.

It is not an unprimeable number, because it can be changed into a prime (428766071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 537577 + ... + 538373.

Almost surely, 2^428766075 is an apocalyptic number.

428766075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

428766075 is a deficient number, since it is larger than the sum of its proper divisors (359882605).

428766075 is an frugal number, since it uses more digits than its factorization.

428766075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 428766075 is about 20706.6674044859. The cubic root of 428766075 is about 754.0615652132.

The spelling of 428766075 in words is "four hundred twenty-eight million, seven hundred sixty-six thousand, seventy-five".