342445973 has 4 divisors (see below), whose sum is σ = 342594720. Its totient is φ = 342297228.

The previous prime is 342445969. The next prime is 342445979. The reversal of 342445973 is 379544243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342445973 - 2² = 342445969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342445973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342445979) 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, 70865 + ... + 75542.

It is an arithmetic number, because the mean of its divisors is an integer number (85648680).

Almost surely, 2^342445973 is an apocalyptic number.

It is an amenable number.

342445973 is a deficient number, since it is larger than the sum of its proper divisors (148747).

342445973 is a wasteful number, since it uses less digits than its factorization.

342445973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148746.

The product of its digits is 362880, while the sum is 41.

The square root of 342445973 is about 18505.2958095784. The cubic root of 342445973 is about 699.6229077801.

The spelling of 342445973 in words is "three hundred forty-two million, four hundred forty-five thousand, nine hundred seventy-three".