7617320042 has 8 divisors (see below), whose sum is σ = 11428312032. Its totient is φ = 3807882700.

The previous prime is 7617320041. The next prime is 7617320071. The reversal of 7617320042 is 2400237167.

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

It is a junction number, because it is equal to n+sod(n) for n = 7617319990 and 7617320008.

It is not an unprimeable number, because it can be changed into a prime (7617320041) 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, 376334 + ... + 396057.

It is an arithmetic number, because the mean of its divisors is an integer number (1428539004).

Almost surely, 2^7617320042 is an apocalyptic number.

7617320042 is a deficient number, since it is larger than the sum of its proper divisors (3810991990).

7617320042 is a wasteful number, since it uses less digits than its factorization.

7617320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777324.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 7617320042 is about 87277.2595926339. The cubic root of 7617320042 is about 1967.5875579177.

The spelling of 7617320042 in words is "seven billion, six hundred seventeen million, three hundred twenty thousand, forty-two".