775146940 has 24 divisors (see below), whose sum is σ = 1680319872. Its totient is φ = 300056640.

The previous prime is 775146937. The next prime is 775146941. The reversal of 775146940 is 49641577.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775146941) 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, 624499 + ... + 625738.

It is an arithmetic number, because the mean of its divisors is an integer number (70013328).

Almost surely, 2^775146940 is an apocalyptic number.

It is an amenable number.

775146940 is an abundant number, since it is smaller than the sum of its proper divisors (905172932).

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

775146940 is a wasteful number, since it uses less digits than its factorization.

775146940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250277 (or 1250275 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 775146940 is about 27841.4608093756. The cubic root of 775146940 is about 918.6033234000.

The spelling of 775146940 in words is "seven hundred seventy-five million, one hundred forty-six thousand, nine hundred forty".