734656 has 28 divisors (see below), whose sum is σ = 1571752. Its totient is φ = 338688.

The previous prime is 734653. The next prime is 734659. The reversal of 734656 is 656437.

It is an interprime number because it is at equal distance from previous prime (734653) and next prime (734659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734653) 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, 391 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (56134).

2⁷³⁴⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785876).

734656 is an abundant number, since it is smaller than the sum of its proper divisors (837096).

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

734656 is a wasteful number, since it uses less digits than its factorization.

734656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 898 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 734656 is about 857.1207616200. The cubic root of 734656 is about 90.2321578283.

The spelling of 734656 in words is "seven hundred thirty-four thousand, six hundred fifty-six".