73440342 has 24 divisors (see below), whose sum is σ = 159364920. Its totient is φ = 24442560.

The previous prime is 73440337. The next prime is 73440359. The reversal of 73440342 is 24304437.

It is a congruent number.

It is an unprimeable number.

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, 10542 + ... + 16062.

It is an arithmetic number, because the mean of its divisors is an integer number (6640205).

Almost surely, 2^73440342 is an apocalyptic number.

73440342 is an abundant number, since it is smaller than the sum of its proper divisors (85924578).

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

73440342 is a wasteful number, since it uses less digits than its factorization.

73440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 73440342 is about 8569.7340682194. The cubic root of 73440342 is about 418.7725728680.

Adding to 73440342 its reverse (24304437), we get a palindrome (97744779).

The spelling of 73440342 in words is "seventy-three million, four hundred forty thousand, three hundred forty-two".