373978273 has 4 divisors (see below), whose sum is σ = 393661360. Its totient is φ = 354295188.

The previous prime is 373978259. The next prime is 373978289. The reversal of 373978273 is 372879373.

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 373978273 - 2⁹ = 373977761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373948273) 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 3 ways as a sum of consecutive naturals, for example, 9841515 + ... + 9841552.

It is an arithmetic number, because the mean of its divisors is an integer number (98415340).

Almost surely, 2^373978273 is an apocalyptic number.

It is an amenable number.

373978273 is a deficient number, since it is larger than the sum of its proper divisors (19683087).

373978273 is a wasteful number, since it uses less digits than its factorization.

373978273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19683086.

The product of its digits is 1333584, while the sum is 49.

The square root of 373978273 is about 19338.5178594431. The cubic root of 373978273 is about 720.4692626342.

The spelling of 373978273 in words is "three hundred seventy-three million, nine hundred seventy-eight thousand, two hundred seventy-three".