774419994 has 32 divisors (see below), whose sum is σ = 1753410240. Its totient is φ = 253268496.

The previous prime is 774419957. The next prime is 774419999. The reversal of 774419994 is 499914477.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 774419994.

It is not an unprimeable number, because it can be changed into a prime (774419999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132432 + ... + 138155.

It is an arithmetic number, because the mean of its divisors is an integer number (54794070).

Almost surely, 2^774419994 is an apocalyptic number.

774419994 is an abundant number, since it is smaller than the sum of its proper divisors (978990246).

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

774419994 is a wasteful number, since it uses less digits than its factorization.

774419994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270651 (or 270645 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 774419994 is about 27828.4026490922. The cubic root of 774419994 is about 918.3160729721.

The spelling of 774419994 in words is "seven hundred seventy-four million, four hundred nineteen thousand, nine hundred ninety-four".