77493342 has 8 divisors (see below), whose sum is σ = 154986696. Its totient is φ = 25831112.

The previous prime is 77493341. The next prime is 77493379. The reversal of 77493342 is 24339477.

It is a sphenic number, since it is the product of 3 distinct primes.

77493342 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 77493342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77493341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6457773 + ... + 6457784.

It is an arithmetic number, because the mean of its divisors is an integer number (19373337).

Almost surely, 2^77493342 is an apocalyptic number.

77493342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77493342 is a wasteful number, since it uses less digits than its factorization.

77493342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12915562.

The product of its digits is 127008, while the sum is 39.

The square root of 77493342 is about 8803.0302737182. The cubic root of 77493342 is about 426.3387395903.

The spelling of 77493342 in words is "seventy-seven million, four hundred ninety-three thousand, three hundred forty-two".