743422161 has 16 divisors (see below), whose sum is σ = 1001133504. Its totient is φ = 490686144.

The previous prime is 743422157. The next prime is 743422187. The reversal of 743422161 is 161224347.

It is not a de Polignac number, because 743422161 - 2² = 743422157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (743422111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135310 + ... + 140696.

It is an arithmetic number, because the mean of its divisors is an integer number (62570844).

Almost surely, 2^743422161 is an apocalyptic number.

It is an amenable number.

743422161 is a deficient number, since it is larger than the sum of its proper divisors (257711343).

743422161 is a wasteful number, since it uses less digits than its factorization.

743422161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840.

The product of its digits is 8064, while the sum is 30.

The square root of 743422161 is about 27265.7690337170. The cubic root of 743422161 is about 905.8963316222.

The spelling of 743422161 in words is "seven hundred forty-three million, four hundred twenty-two thousand, one hundred sixty-one".