774342398 has 8 divisors (see below), whose sum is σ = 1201565880. Its totient is φ = 373820440.

The previous prime is 774342389. The next prime is 774342407. The reversal of 774342398 is 893243477.

It is an interprime number because it is at equal distance from previous prime (774342389) and next prime (774342407).

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

It is a super-2 number, since 2×774342398² = 1199212298680780808, which contains 22 as substring.

It is a congruent number.

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, 6675308 + ... + 6675423.

It is an arithmetic number, because the mean of its divisors is an integer number (150195735).

Almost surely, 2^774342398 is an apocalyptic number.

774342398 is a deficient number, since it is larger than the sum of its proper divisors (427223482).

774342398 is a wasteful number, since it uses less digits than its factorization.

774342398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13350762.

The product of its digits is 1016064, while the sum is 47.

The square root of 774342398 is about 27827.0084270660. The cubic root of 774342398 is about 918.2854005400.

The spelling of 774342398 in words is "seven hundred seventy-four million, three hundred forty-two thousand, three hundred ninety-eight".