774323421 has 4 divisors (see below), whose sum is σ = 1032431232. Its totient is φ = 516215612.

The previous prime is 774323419. The next prime is 774323423. The reversal of 774323421 is 124323477.

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 an interprime number because it is at equal distance from previous prime (774323419) and next prime (774323423).

It is a cyclic number.

It is not a de Polignac number, because 774323421 - 2¹ = 774323419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774323423) 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, 129053901 + ... + 129053906.

It is an arithmetic number, because the mean of its divisors is an integer number (258107808).

Almost surely, 2^774323421 is an apocalyptic number.

It is an amenable number.

774323421 is a deficient number, since it is larger than the sum of its proper divisors (258107811).

774323421 is a wasteful number, since it uses less digits than its factorization.

774323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258107810.

The product of its digits is 28224, while the sum is 33.

The square root of 774323421 is about 27826.6674432998. The cubic root of 774323421 is about 918.2778989298.

Adding to 774323421 its reverse (124323477), we get a palindrome (898646898).

The spelling of 774323421 in words is "seven hundred seventy-four million, three hundred twenty-three thousand, four hundred twenty-one".