716634 has 32 divisors (see below), whose sum is σ = 1664640. Its totient is φ = 228096.

The previous prime is 716633. The next prime is 716659. The reversal of 716634 is 436617.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 716598 and 716607.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 716634.

It is not an unprimeable number, because it can be changed into a prime (716633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (52020).

2⁷¹⁶⁶³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832320).

716634 is an abundant number, since it is smaller than the sum of its proper divisors (948006).

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

716634 is a wasteful number, since it uses less digits than its factorization.

716634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 605 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 716634 is about 846.5423793290. The cubic root of 716634 is about 89.4882062630.

It can be divided in two parts, 7 and 16634, that added together give a square (16641 = 129²).

The spelling of 716634 in words is "seven hundred sixteen thousand, six hundred thirty-four".