770240766 has 32 divisors (see below), whose sum is σ = 1585211040. Its totient is φ = 249319296.

The previous prime is 770240711. The next prime is 770240771. The reversal of 770240766 is 667042077.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120540 + ... + 126768.

It is an arithmetic number, because the mean of its divisors is an integer number (49537845).

Almost surely, 2^770240766 is an apocalyptic number.

770240766 is an abundant number, since it is smaller than the sum of its proper divisors (814970274).

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

770240766 is a wasteful number, since it uses less digits than its factorization.

770240766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 770240766 is about 27753.2118141306. The cubic root of 770240766 is about 916.6611670120.

The spelling of 770240766 in words is "seven hundred seventy million, two hundred forty thousand, seven hundred sixty-six".