73840342 has 8 divisors (see below), whose sum is σ = 112850496. Its totient is φ = 36223512.

The previous prime is 73840339. The next prime is 73840381. The reversal of 73840342 is 24304837.

It is a happy number.

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

It is a super-2 number, since 2×73840342² = 10904792213353928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348198 + ... + 348409.

It is an arithmetic number, because the mean of its divisors is an integer number (14106312).

Almost surely, 2^73840342 is an apocalyptic number.

73840342 is a deficient number, since it is larger than the sum of its proper divisors (39010154).

73840342 is a wasteful number, since it uses less digits than its factorization.

73840342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696662.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 73840342 is about 8593.0403234245. The cubic root of 73840342 is about 419.5314919370.

The spelling of 73840342 in words is "seventy-three million, eight hundred forty thousand, three hundred forty-two".