775250632 has 32 divisors (see below), whose sum is σ = 1603599480. Its totient is φ = 349079040.

The previous prime is 775250617. The next prime is 775250659. The reversal of 775250632 is 236052577.

It can be written as a sum of positive squares in 4 ways, for example, as 342028036 + 433222596 = 18494^2 + 20814^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 775250591 and 775250600.

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, 86643 + ... + 95170.

Almost surely, 2^775250632 is an apocalyptic number.

It is an amenable number.

775250632 is an abundant number, since it is smaller than the sum of its proper divisors (828348848).

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

775250632 is a wasteful number, since it uses less digits than its factorization.

775250632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181873 (or 181869 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 775250632 is about 27843.3229338741. The cubic root of 775250632 is about 918.6442823304.

The spelling of 775250632 in words is "seven hundred seventy-five million, two hundred fifty thousand, six hundred thirty-two".