242178968 has 32 divisors (see below), whose sum is σ = 469022400. Its totient is φ = 117165312.

The previous prime is 242178961. The next prime is 242178973. The reversal of 242178968 is 869871242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242178961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29846 + ... + 37082.

It is an arithmetic number, because the mean of its divisors is an integer number (14656950).

Almost surely, 2^242178968 is an apocalyptic number.

It is an amenable number.

242178968 is a deficient number, since it is larger than the sum of its proper divisors (226843432).

242178968 is a wasteful number, since it uses less digits than its factorization.

242178968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379 (or 7375 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 242178968 is about 15562.1003723790. The cubic root of 242178968 is about 623.3215492131.

The spelling of 242178968 in words is "two hundred forty-two million, one hundred seventy-eight thousand, nine hundred sixty-eight".