770603949 has 20 divisors (see below), whose sum is σ = 1161723420. Its totient is φ = 509016960.

The previous prime is 770603927. The next prime is 770603959. The reversal of 770603949 is 949306077.

It can be written as a sum of positive squares in 2 ways, for example, as 682149924 + 88454025 = 26118^2 + 9405^2 .

It is not a de Polignac number, because 770603949 - 2¹³ = 770595757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770603959) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34812 + ... + 52469.

It is an arithmetic number, because the mean of its divisors is an integer number (58086171).

Almost surely, 2^770603949 is an apocalyptic number.

It is an amenable number.

770603949 is a deficient number, since it is larger than the sum of its proper divisors (391119471).

770603949 is a wasteful number, since it uses less digits than its factorization.

770603949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87402 (or 87393 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 770603949 is about 27759.7541235509. The cubic root of 770603949 is about 916.8052186972.

The spelling of 770603949 in words is "seven hundred seventy million, six hundred three thousand, nine hundred forty-nine".