326642073 has 4 divisors (see below), whose sum is σ = 435522768. Its totient is φ = 217761380.

The previous prime is 326642059. The next prime is 326642087. The reversal of 326642073 is 370246623.

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 an interprime number because it is at equal distance from previous prime (326642059) and next prime (326642087).

It is a cyclic number.

It is not a de Polignac number, because 326642073 - 2¹² = 326637977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326642023) 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, 54440343 + ... + 54440348.

It is an arithmetic number, because the mean of its divisors is an integer number (108880692).

Almost surely, 2^326642073 is an apocalyptic number.

It is an amenable number.

326642073 is a deficient number, since it is larger than the sum of its proper divisors (108880695).

326642073 is a wasteful number, since it uses less digits than its factorization.

326642073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108880694.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 326642073 is about 18073.2419061993. The cubic root of 326642073 is about 688.6904188125.

Adding to 326642073 its reverse (370246623), we get a palindrome (696888696).

The spelling of 326642073 in words is "three hundred twenty-six million, six hundred forty-two thousand, seventy-three".