716554 has 4 divisors (see below), whose sum is σ = 1074834. Its totient is φ = 358276.

The previous prime is 716549. The next prime is 716563. The reversal of 716554 is 455617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455617 = 17 ⋅26801.

It can be written as a sum of positive squares in only one way, i.e., 597529 + 119025 = 773^2 + 345^2 .

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 as a sum of consecutive naturals, namely, 179137 + ... + 179140.

2⁷¹⁶⁵⁵⁴ is an apocalyptic number.

716554 is a deficient number, since it is larger than the sum of its proper divisors (358280).

716554 is a wasteful number, since it uses less digits than its factorization.

716554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358279.

The product of its digits is 4200, while the sum is 28.

The square root of 716554 is about 846.4951269795. The cubic root of 716554 is about 89.4848761936.

It can be divided in two parts, 7 and 16554, that added together give a palindrome (16561).

The spelling of 716554 in words is "seven hundred sixteen thousand, five hundred fifty-four".