766123240 has 16 divisors (see below), whose sum is σ = 1723777380. Its totient is φ = 306449280.

The previous prime is 766123231. The next prime is 766123249. The reversal of 766123240 is 42321667.

766123240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (766123231) and next prime (766123249).

It can be written as a sum of positive squares in 2 ways, for example, as 719419684 + 46703556 = 26822^2 + 6834^2 .

It is not an unprimeable number, because it can be changed into a prime (766123249) 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, 9576501 + ... + 9576580.

Almost surely, 2^766123240 is an apocalyptic number.

It is an amenable number.

766123240 is an abundant number, since it is smaller than the sum of its proper divisors (957654140).

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

766123240 is a wasteful number, since it uses less digits than its factorization.

766123240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19153092 (or 19153088 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 766123240 is about 27678.9313377522. The cubic root of 766123240 is about 915.0248293699.

The spelling of 766123240 in words is "seven hundred sixty-six million, one hundred twenty-three thousand, two hundred forty".