770923240 has 32 divisors (see below), whose sum is σ = 1794393000. Its totient is φ = 297735424.

The previous prime is 770923229. The next prime is 770923267. The reversal of 770923240 is 42329077.

It can be written as a sum of positive squares in 4 ways, for example, as 502028836 + 268894404 = 22406^2 + 16398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 770923196 and 770923205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331135 + ... + 333454.

Almost surely, 2^770923240 is an apocalyptic number.

It is an amenable number.

770923240 is an abundant number, since it is smaller than the sum of its proper divisors (1023469760).

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

770923240 is a wasteful number, since it uses less digits than its factorization.

770923240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664629 (or 664625 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 770923240 is about 27765.5044974875. The cubic root of 770923240 is about 916.9318238252.

The spelling of 770923240 in words is "seven hundred seventy million, nine hundred twenty-three thousand, two hundred forty".