617432342 has 4 divisors (see below), whose sum is σ = 926148516. Its totient is φ = 308716170.

The previous prime is 617432327. The next prime is 617432371. The reversal of 617432342 is 243234716.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 617432299 and 617432308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154358084 + ... + 154358087.

It is an arithmetic number, because the mean of its divisors is an integer number (231537129).

Almost surely, 2^617432342 is an apocalyptic number.

617432342 is a deficient number, since it is larger than the sum of its proper divisors (308716174).

617432342 is a wasteful number, since it uses less digits than its factorization.

617432342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308716173.

The product of its digits is 24192, while the sum is 32.

The square root of 617432342 is about 24848.1858895172. The cubic root of 617432342 is about 851.5231476450.

The spelling of 617432342 in words is "six hundred seventeen million, four hundred thirty-two thousand, three hundred forty-two".