428202074 has 8 divisors (see below), whose sum is σ = 642471060. Its totient is φ = 214045056.

The previous prime is 428202053. The next prime is 428202079. The reversal of 428202074 is 470202824.

It can be written as a sum of positive squares in 2 ways, for example, as 380523049 + 47679025 = 19507^2 + 6905^2 .

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

It is not an unprimeable number, because it can be changed into a prime (428202079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17669 + ... + 34184.

Almost surely, 2^428202074 is an apocalyptic number.

428202074 is a deficient number, since it is larger than the sum of its proper divisors (214268986).

428202074 is a wasteful number, since it uses less digits than its factorization.

428202074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55984.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 428202074 is about 20693.0440969907. The cubic root of 428202074 is about 753.7307880405.

Adding to 428202074 its reverse (470202824), we get a palindrome (898404898).

The spelling of 428202074 in words is "four hundred twenty-eight million, two hundred two thousand, seventy-four".