767263540 has 24 divisors (see below), whose sum is σ = 1612168992. Its totient is φ = 306731040.

The previous prime is 767263481. The next prime is 767263543. The reversal of 767263540 is 45362767.

It is a junction number, because it is equal to n+sod(n) for n = 767263493 and 767263502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (767263543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28687 + ... + 48553.

It is an arithmetic number, because the mean of its divisors is an integer number (67173708).

Almost surely, 2^767263540 is an apocalyptic number.

It is an amenable number.

767263540 is an abundant number, since it is smaller than the sum of its proper divisors (844905452).

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

767263540 is a wasteful number, since it uses less digits than its factorization.

767263540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21807 (or 21805 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 767263540 is about 27699.5223785538. The cubic root of 767263540 is about 915.4785795058.

The spelling of 767263540 in words is "seven hundred sixty-seven million, two hundred sixty-three thousand, five hundred forty".