774868040 has 32 divisors (see below), whose sum is σ = 1744908480. Its totient is φ = 309688512.

The previous prime is 774867983. The next prime is 774868043. The reversal of 774868040 is 40868477.

It is a Smith number, since the sum of its digits (44) 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 = 774867982 and 774868000.

It is not an unprimeable number, because it can be changed into a prime (774868043) 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, 44687 + ... + 59553.

It is an arithmetic number, because the mean of its divisors is an integer number (54528390).

Almost surely, 2^774868040 is an apocalyptic number.

It is an amenable number.

774868040 is an abundant number, since it is smaller than the sum of its proper divisors (970040440).

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

774868040 is a wasteful number, since it uses less digits than its factorization.

774868040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181 (or 16177 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 774868040 is about 27836.4516416874. The cubic root of 774868040 is about 918.4931381836.

The spelling of 774868040 in words is "seven hundred seventy-four million, eight hundred sixty-eight thousand, forty".