770206340 has 12 divisors (see below), whose sum is σ = 1617433356. Its totient is φ = 308082528.

The previous prime is 770206271. The next prime is 770206351. The reversal of 770206340 is 43602077.

It can be written as a sum of positive squares in 2 ways, for example, as 170250304 + 599956036 = 13048^2 + 24494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19255139 + ... + 19255178.

It is an arithmetic number, because the mean of its divisors is an integer number (134786113).

Almost surely, 2^770206340 is an apocalyptic number.

It is an amenable number.

770206340 is an abundant number, since it is smaller than the sum of its proper divisors (847227016).

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

770206340 is a wasteful number, since it uses less digits than its factorization.

770206340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38510326 (or 38510324 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 770206340 is about 27752.5915906965. The cubic root of 770206340 is about 916.6475100496.

The spelling of 770206340 in words is "seven hundred seventy million, two hundred six thousand, three hundred forty".