834747072 has 56 divisors (see below), whose sum is σ = 2255617536. Its totient is φ = 272325888.

The previous prime is 834747061. The next prime is 834747079. The reversal of 834747072 is 270747438.

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 (834747079) 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, 37228 + ... + 55275.

Almost surely, 2^834747072 is an apocalyptic number.

It is an amenable number.

834747072 is an abundant number, since it is smaller than the sum of its proper divisors (1420870464).

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

834747072 is a wasteful number, since it uses less digits than its factorization.

834747072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92565 (or 92555 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 834747072 is about 28891.9897549477. The cubic root of 834747072 is about 941.5678798433.

The spelling of 834747072 in words is "eight hundred thirty-four million, seven hundred forty-seven thousand, seventy-two".