427628774 has 8 divisors (see below), whose sum is σ = 646058280. Its totient is φ = 212276016.

The previous prime is 427628771. The next prime is 427628791. The reversal of 427628774 is 477826724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427628771) 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, 768839 + ... + 769394.

It is an arithmetic number, because the mean of its divisors is an integer number (80757285).

Almost surely, 2^427628774 is an apocalyptic number.

427628774 is a deficient number, since it is larger than the sum of its proper divisors (218429506).

427628774 is a wasteful number, since it uses less digits than its factorization.

427628774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538374.

The product of its digits is 1053696, while the sum is 47.

The square root of 427628774 is about 20679.1869762812. The cubic root of 427628774 is about 753.3942593497.

The spelling of 427628774 in words is "four hundred twenty-seven million, six hundred twenty-eight thousand, seven hundred seventy-four".