775640332 has 12 divisors (see below), whose sum is σ = 1358593600. Its totient is φ = 387470736.

The previous prime is 775640311. The next prime is 775640353. The reversal of 775640332 is 233046577.

775640332 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 (775640311) and next prime (775640353).

It is a junction number, because it is equal to n+sod(n) for n = 775640291 and 775640300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82332 + ... + 91267.

Almost surely, 2^775640332 is an apocalyptic number.

It is an amenable number.

775640332 is a deficient number, since it is larger than the sum of its proper divisors (582953268).

775640332 is a wasteful number, since it uses less digits than its factorization.

775640332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174720 (or 174718 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 775640332 is about 27850.3201417865. The cubic root of 775640332 is about 918.7981834017.

The spelling of 775640332 in words is "seven hundred seventy-five million, six hundred forty thousand, three hundred thirty-two".