770505242 has 32 divisors (see below), whose sum is σ = 1283796864. Its totient is φ = 344520000.

The previous prime is 770505227. The next prime is 770505247. The reversal of 770505242 is 242505077.

It is a junction number, because it is equal to n+sod(n) for n = 770505199 and 770505208.

It is not an unprimeable number, because it can be changed into a prime (770505247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239867 + ... + 243057.

It is an arithmetic number, because the mean of its divisors is an integer number (40118652).

Almost surely, 2^770505242 is an apocalyptic number.

770505242 is a deficient number, since it is larger than the sum of its proper divisors (513291622).

770505242 is a wasteful number, since it uses less digits than its factorization.

770505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 770505242 is about 27757.9761870350. The cubic root of 770505242 is about 916.7660723640.

The spelling of 770505242 in words is "seven hundred seventy million, five hundred five thousand, two hundred forty-two".