718560728 has 8 divisors (see below), whose sum is σ = 1347301380. Its totient is φ = 359280360.

The previous prime is 718560727. The next prime is 718560761. The reversal of 718560728 is 827065817.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718560727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44910038 + ... + 44910053.

Almost surely, 2^718560728 is an apocalyptic number.

It is an amenable number.

718560728 is a deficient number, since it is larger than the sum of its proper divisors (628740652).

718560728 is a wasteful number, since it uses less digits than its factorization.

718560728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89820097 (or 89820093 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 718560728 is about 26805.9830634879. The cubic root of 718560728 is about 895.6833323715.

It can be divided in two parts, 71856072 and 8, that multiplied together give a square (574848576 = 23976²).

The spelling of 718560728 in words is "seven hundred eighteen million, five hundred sixty thousand, seven hundred twenty-eight".