242177793 has 32 divisors (see below), whose sum is σ = 387459072. Its totient is φ = 132590400.

The previous prime is 242177773. The next prime is 242177809. The reversal of 242177793 is 397771242.

It is a happy number.

It is not a de Polignac number, because 242177793 - 2¹² = 242173697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242177773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14158 + ... + 26168.

It is an arithmetic number, because the mean of its divisors is an integer number (12108096).

Almost surely, 2^242177793 is an apocalyptic number.

It is an amenable number.

242177793 is a deficient number, since it is larger than the sum of its proper divisors (145281279).

242177793 is a wasteful number, since it uses less digits than its factorization.

242177793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085.

The product of its digits is 148176, while the sum is 42.

The square root of 242177793 is about 15562.0626203598. The cubic root of 242177793 is about 623.3205411376.

The spelling of 242177793 in words is "two hundred forty-two million, one hundred seventy-seven thousand, seven hundred ninety-three".