716277780 has 72 divisors (see below), whose sum is σ = 2175467112. Its totient is φ = 190765056.

The previous prime is 716277773. The next prime is 716277839. The reversal of 716277780 is 87772617.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89075844 + 627201936 = 9438^2 + 25044^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 173824 + ... + 177896.

It is an arithmetic number, because the mean of its divisors is an integer number (30214821).

Almost surely, 2^716277780 is an apocalyptic number.

It is an amenable number.

716277780 is an abundant number, since it is smaller than the sum of its proper divisors (1459189332).

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

716277780 is a wasteful number, since it uses less digits than its factorization.

716277780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065 (or 5060 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 45.

The square root of 716277780 is about 26763.3663801847. The cubic root of 716277780 is about 894.7337639073.

The spelling of 716277780 in words is "seven hundred sixteen million, two hundred seventy-seven thousand, seven hundred eighty".