742917161 has 8 divisors (see below), whose sum is σ = 855246720. Its totient is φ = 632137248.

The previous prime is 742917151. The next prime is 742917163. The reversal of 742917161 is 161719247.

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

It is a cyclic number.

It is not a de Polignac number, because 742917161 - 2¹⁰ = 742916137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742917163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386381 + ... + 388298.

It is an arithmetic number, because the mean of its divisors is an integer number (106905840).

Almost surely, 2^742917161 is an apocalyptic number.

It is an amenable number.

742917161 is a deficient number, since it is larger than the sum of its proper divisors (112329559).

742917161 is a wasteful number, since it uses less digits than its factorization.

742917161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774823.

The product of its digits is 21168, while the sum is 38.

The square root of 742917161 is about 27256.5067644407. The cubic root of 742917161 is about 905.6911627436.

The spelling of 742917161 in words is "seven hundred forty-two million, nine hundred seventeen thousand, one hundred sixty-one".