655774374 has 8 divisors (see below), whose sum is σ = 1311548760. Its totient is φ = 218591456.

The previous prime is 655774373. The next prime is 655774391. The reversal of 655774374 is 473477556.

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

655774374 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655774373) 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, 54647859 + ... + 54647870.

It is an arithmetic number, because the mean of its divisors is an integer number (163943595).

Almost surely, 2^655774374 is an apocalyptic number.

655774374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655774374 is a wasteful number, since it uses less digits than its factorization.

655774374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109295734.

The product of its digits is 2469600, while the sum is 48.

The square root of 655774374 is about 25608.0919632838. The cubic root of 655774374 is about 868.7966690661.

The spelling of 655774374 in words is "six hundred fifty-five million, seven hundred seventy-four thousand, three hundred seventy-four".