392422073 has 4 divisors (see below), whose sum is σ = 392462928. Its totient is φ = 392381220.

The previous prime is 392422057. The next prime is 392422097. The reversal of 392422073 is 370224293.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 370224293 = 641 ⋅577573.

It is a cyclic number.

It is not a de Polignac number, because 392422073 - 2⁴ = 392422057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (392428073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2738 + ... + 28148.

It is an arithmetic number, because the mean of its divisors is an integer number (98115732).

Almost surely, 2^392422073 is an apocalyptic number.

It is an amenable number.

392422073 is a deficient number, since it is larger than the sum of its proper divisors (40855).

392422073 is a wasteful number, since it uses less digits than its factorization.

392422073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40854.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 392422073 is about 19809.6459584718. The cubic root of 392422073 is about 732.1237168588.

It can be divided in two parts, 3924220 and 73, that added together give a palindrome (3924293).

The spelling of 392422073 in words is "three hundred ninety-two million, four hundred twenty-two thousand, seventy-three".