734680 has 16 divisors (see below), whose sum is σ = 1653120. Its totient is φ = 293856.

The previous prime is 734663. The next prime is 734687. The reversal of 734680 is 86437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734687) by changing a digit.

734680 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 9144 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2⁷³⁴⁶⁸⁰ is an apocalyptic number.

It is an amenable number.

734680 is an abundant number, since it is smaller than the sum of its proper divisors (918440).

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

734680 is a wasteful number, since it uses less digits than its factorization.

734680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18378 (or 18374 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 734680 is about 857.1347618665. The cubic root of 734680 is about 90.2331403962.

It can be divided in two parts, 73 and 4680, that added together give a triangular number (4753 = T₉₇).

The spelling of 734680 in words is "seven hundred thirty-four thousand, six hundred eighty".