770052740 has 24 divisors (see below), whose sum is σ = 1712235672. Its totient is φ = 289902080.

The previous prime is 770052727. The next prime is 770052743. The reversal of 770052740 is 47250077.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 207129664 + 562923076 = 14392^2 + 23726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 770052697 and 770052706.

It is not an unprimeable number, because it can be changed into a prime (770052743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132091 + ... + 1132770.

It is an arithmetic number, because the mean of its divisors is an integer number (71343153).

Almost surely, 2^770052740 is an apocalyptic number.

It is an amenable number.

770052740 is an abundant number, since it is smaller than the sum of its proper divisors (942182932).

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

770052740 is a wasteful number, since it uses less digits than its factorization.

770052740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264887 (or 2264885 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 770052740 is about 27749.8241435869. The cubic root of 770052740 is about 916.5865712203.

The spelling of 770052740 in words is "seven hundred seventy million, fifty-two thousand, seven hundred forty".