770305772 has 12 divisors (see below), whose sum is σ = 1394519280. Its totient is φ = 371871696.

The previous prime is 770305729. The next prime is 770305777. The reversal of 770305772 is 277503077.

It is not an unprimeable number, because it can be changed into a prime (770305777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320168 + ... + 3320399.

It is an arithmetic number, because the mean of its divisors is an integer number (116209940).

Almost surely, 2^770305772 is an apocalyptic number.

It is an amenable number.

770305772 is a deficient number, since it is larger than the sum of its proper divisors (624213508).

770305772 is a wasteful number, since it uses less digits than its factorization.

770305772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640600 (or 6640598 counting only the distinct ones).

The product of its (nonzero) digits is 72030, while the sum is 38.

The square root of 770305772 is about 27754.3829331513. The cubic root of 770305772 is about 916.6869541001.

The spelling of 770305772 in words is "seven hundred seventy million, three hundred five thousand, seven hundred seventy-two".