834521074 has 4 divisors (see below), whose sum is σ = 1251781614. Its totient is φ = 417260536.

The previous prime is 834521071. The next prime is 834521087. The reversal of 834521074 is 470125438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 632170449 + 202350625 = 25143^2 + 14225^2 .

It is a super-2 number, since 2×834521074² = 1392850845900226952, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (834521071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208630267 + ... + 208630270.

Almost surely, 2^834521074 is an apocalyptic number.

834521074 is a deficient number, since it is larger than the sum of its proper divisors (417260540).

834521074 is a wasteful number, since it uses less digits than its factorization.

834521074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417260539.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 834521074 is about 28888.0784061523. The cubic root of 834521074 is about 941.4828993459.

The spelling of 834521074 in words is "eight hundred thirty-four million, five hundred twenty-one thousand, seventy-four".