718803072 has 160 divisors (see below), whose sum is σ = 2304127980. Its totient is φ = 221128704.

The previous prime is 718803053. The next prime is 718803091. The reversal of 718803072 is 270308817.

It is an interprime number because it is at equal distance from previous prime (718803053) and next prime (718803091).

It can be written as a sum of positive squares in 2 ways, for example, as 698227776 + 20575296 = 26424^2 + 4536^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 132118 + ... + 137450.

Almost surely, 2^718803072 is an apocalyptic number.

718803072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718803072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152063990).

718803072 is an abundant number, since it is smaller than the sum of its proper divisors (1585324908).

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

718803072 is a wasteful number, since it uses less digits than its factorization.

718803072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5351 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 718803072 is about 26810.5030165419. The cubic root of 718803072 is about 895.7840146915.

The spelling of 718803072 in words is "seven hundred eighteen million, eight hundred three thousand, seventy-two".