616206742 has 4 divisors (see below), whose sum is σ = 924310116. Its totient is φ = 308103370.

The previous prime is 616206739. The next prime is 616206751. The reversal of 616206742 is 247602616.

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 = 616206698 and 616206707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154051684 + ... + 154051687.

It is an arithmetic number, because the mean of its divisors is an integer number (231077529).

Almost surely, 2^616206742 is an apocalyptic number.

616206742 is a deficient number, since it is larger than the sum of its proper divisors (308103374).

616206742 is a wasteful number, since it uses less digits than its factorization.

616206742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308103373.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 616206742 is about 24823.5118788619. The cubic root of 616206742 is about 850.9593514240.

The spelling of 616206742 in words is "six hundred sixteen million, two hundred six thousand, seven hundred forty-two".