773461540 has 12 divisors (see below), whose sum is σ = 1624269276. Its totient is φ = 309384608.

The previous prime is 773461487. The next prime is 773461541. The reversal of 773461540 is 45164377.

It can be written as a sum of positive squares in 2 ways, for example, as 255808036 + 517653504 = 15994^2 + 22752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 773461540.

It is not an unprimeable number, because it can be changed into a prime (773461541) 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, 19336519 + ... + 19336558.

It is an arithmetic number, because the mean of its divisors is an integer number (135355773).

Almost surely, 2^773461540 is an apocalyptic number.

It is an amenable number.

773461540 is an abundant number, since it is smaller than the sum of its proper divisors (850807736).

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

773461540 is a wasteful number, since it uses less digits than its factorization.

773461540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38673086 (or 38673084 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 773461540 is about 27811.1765303088. The cubic root of 773461540 is about 917.9370680053.

The spelling of 773461540 in words is "seven hundred seventy-three million, four hundred sixty-one thousand, five hundred forty".