774145356 has 12 divisors (see below), whose sum is σ = 1806339192. Its totient is φ = 258048448.

The previous prime is 774145301. The next prime is 774145369. The reversal of 774145356 is 653541477.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 32256045 + ... + 32256068.

It is an arithmetic number, because the mean of its divisors is an integer number (150528266).

Almost surely, 2^774145356 is an apocalyptic number.

It is an amenable number.

774145356 is an abundant number, since it is smaller than the sum of its proper divisors (1032193836).

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

774145356 is a wasteful number, since it uses less digits than its factorization.

774145356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64512120 (or 64512118 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 774145356 is about 27823.4677206131. The cubic root of 774145356 is about 918.2075038446.

The spelling of 774145356 in words is "seven hundred seventy-four million, one hundred forty-five thousand, three hundred fifty-six".