770395536 has 105 divisors (see below), whose sum is σ = 2246680081. Its totient is φ = 255799296.

The previous prime is 770395531. The next prime is 770395543. The reversal of 770395536 is 635593077.

The square root of 770395536 is 27756.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 758451600 + 11943936 = 27540^2 + 3456^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 770395491 and 770395500.

It is not an unprimeable number, because it can be changed into a prime (770395531) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2997520 + ... + 2997776.

Almost surely, 2^770395536 is an apocalyptic number.

770395536 is the 27756-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770395536

770395536 is an abundant number, since it is smaller than the sum of its proper divisors (1476284545).

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

770395536 is an frugal number, since it uses more digits than its factorization.

770395536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 45.

The cubic root of 770395536 is about 916.7225600005.

The spelling of 770395536 in words is "seven hundred seventy million, three hundred ninety-five thousand, five hundred thirty-six".