834155072 has 28 divisors (see below), whose sum is σ = 1712358780. Its totient is φ = 402694656.

The previous prime is 834155059. The next prime is 834155083. The reversal of 834155072 is 270551438.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243859456 + 590295616 = 15616^2 + 24296^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222863 + ... + 226574.

Almost surely, 2^834155072 is an apocalyptic number.

It is an amenable number.

834155072 is an abundant number, since it is smaller than the sum of its proper divisors (878203708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834155072 is a wasteful number, since it uses less digits than its factorization.

834155072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449478 (or 449468 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 834155072 is about 28881.7428836973. The cubic root of 834155072 is about 941.3452415432.

The spelling of 834155072 in words is "eight hundred thirty-four million, one hundred fifty-five thousand, seventy-two".