774164473 has 4 divisors (see below), whose sum is σ = 776321280. Its totient is φ = 772007668.

The previous prime is 774164471. The next prime is 774164477. The reversal of 774164473 is 374461477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 774164473 - 2¹ = 774164471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (774164471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077865 + ... + 1078582.

It is an arithmetic number, because the mean of its divisors is an integer number (194080320).

Almost surely, 2^774164473 is an apocalyptic number.

It is an amenable number.

774164473 is a deficient number, since it is larger than the sum of its proper divisors (2156807).

774164473 is a wasteful number, since it uses less digits than its factorization.

774164473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156806.

The product of its digits is 395136, while the sum is 43.

The square root of 774164473 is about 27823.8112594231. The cubic root of 774164473 is about 918.2150619551.

The spelling of 774164473 in words is "seven hundred seventy-four million, one hundred sixty-four thousand, four hundred seventy-three".