77185342 has 12 divisors (see below), whose sum is σ = 125369640. Its totient is φ = 35623848.

The previous prime is 77185333. The next prime is 77185349. The reversal of 77185342 is 24358177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77185349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113842 + ... + 114517.

It is an arithmetic number, because the mean of its divisors is an integer number (10447470).

Almost surely, 2^77185342 is an apocalyptic number.

77185342 is a deficient number, since it is larger than the sum of its proper divisors (48184298).

77185342 is a wasteful number, since it uses less digits than its factorization.

77185342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228387 (or 228374 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 77185342 is about 8785.5188805215. The cubic root of 77185342 is about 425.7731568703.

The spelling of 77185342 in words is "seventy-seven million, one hundred eighty-five thousand, three hundred forty-two".