77310342 has 32 divisors (see below), whose sum is σ = 177346560. Its totient is φ = 24938280.

The previous prime is 77310341. The next prime is 77310367. The reversal of 77310342 is 24301377.

77310342 is a `hidden beast` number, since 7 + 7 + 310 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77310341) 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 15 ways as a sum of consecutive naturals, for example, 21418 + ... + 24765.

It is an arithmetic number, because the mean of its divisors is an integer number (5542080).

Almost surely, 2^77310342 is an apocalyptic number.

77310342 is an abundant number, since it is smaller than the sum of its proper divisors (100036218).

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

77310342 is a wasteful number, since it uses less digits than its factorization.

77310342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46225 (or 46219 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 77310342 is about 8792.6299819792. The cubic root of 77310342 is about 426.0028763940.

The spelling of 77310342 in words is "seventy-seven million, three hundred ten thousand, three hundred forty-two".