7328445 has 32 divisors (see below), whose sum is σ = 12856320. Its totient is φ = 3548160.

The previous prime is 7328443. The next prime is 7328473. The reversal of 7328445 is 5448237.

It is not a de Polignac number, because 7328445 - 2¹ = 7328443 is a prime.

It is a super-2 number, since 2×7328445² = 107412212236050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7328441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6900 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^7328445 is an apocalyptic number.

It is an amenable number.

7328445 is a deficient number, since it is larger than the sum of its proper divisors (5527875).

7328445 is a wasteful number, since it uses less digits than its factorization.

7328445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its digits is 26880, while the sum is 33.

The square root of 7328445 is about 2707.1100827266. The cubic root of 7328445 is about 194.2393775176.

The spelling of 7328445 in words is "seven million, three hundred twenty-eight thousand, four hundred forty-five".