774132321 has 8 divisors (see below), whose sum is σ = 1077053760. Its totient is φ = 493649552.

The previous prime is 774132313. The next prime is 774132329. The reversal of 774132321 is 123231477.

It is an interprime number because it is at equal distance from previous prime (774132313) and next prime (774132329).

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

It is not a de Polignac number, because 774132321 - 2³ = 774132313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (774132329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5609586 + ... + 5609723.

It is an arithmetic number, because the mean of its divisors is an integer number (134631720).

Almost surely, 2^774132321 is an apocalyptic number.

It is an amenable number.

774132321 is a deficient number, since it is larger than the sum of its proper divisors (302921439).

774132321 is a wasteful number, since it uses less digits than its factorization.

774132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11219335.

The product of its digits is 7056, while the sum is 30.

The square root of 774132321 is about 27823.2334749216. The cubic root of 774132321 is about 918.2023502465.

Adding to 774132321 its reverse (123231477), we get a palindrome (897363798).

The spelling of 774132321 in words is "seven hundred seventy-four million, one hundred thirty-two thousand, three hundred twenty-one".