655343742 has 8 divisors (see below), whose sum is σ = 1310687496. Its totient is φ = 218447912.

The previous prime is 655343707. The next prime is 655343753. The reversal of 655343742 is 247343556.

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

655343742 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 655343742.

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, 54611973 + ... + 54611984.

It is an arithmetic number, because the mean of its divisors is an integer number (163835937).

Almost surely, 2^655343742 is an apocalyptic number.

655343742 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.

655343742 is a wasteful number, since it uses less digits than its factorization.

655343742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109223962.

The product of its digits is 302400, while the sum is 39.

The square root of 655343742 is about 25599.6824589681. The cubic root of 655343742 is about 868.6064544708.

It can be divided in two parts, 655343 and 742, that added together give a triangular number (656085 = T₁₁₄₅).

The spelling of 655343742 in words is "six hundred fifty-five million, three hundred forty-three thousand, seven hundred forty-two".