77230242 has 24 divisors (see below), whose sum is σ = 169453440. Its totient is φ = 25417080.

The previous prime is 77230229. The next prime is 77230247. The reversal of 77230242 is 24203277.

It is not an unprimeable number, because it can be changed into a prime (77230247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25734 + ... + 28577.

It is an arithmetic number, because the mean of its divisors is an integer number (7060560).

Almost surely, 2^77230242 is an apocalyptic number.

77230242 is an abundant number, since it is smaller than the sum of its proper divisors (92223198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77230242 is a wasteful number, since it uses less digits than its factorization.

77230242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54398 (or 54395 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 77230242 is about 8788.0738503952. The cubic root of 77230242 is about 425.8557006475.

The spelling of 77230242 in words is "seventy-seven million, two hundred thirty thousand, two hundred forty-two".