7332873728 has 20 divisors (see below), whose sum is σ = 14651426460. Its totient is φ = 3666436608.

The previous prime is 7332873727. The next prime is 7332873761. The reversal of 7332873728 is 8273782337.

It is a happy number.

It is a super-2 number, since 2×7332873728² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7332873727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160498 + ... + 7161521.

It is an arithmetic number, because the mean of its divisors is an integer number (732571323).

Almost surely, 2^7332873728 is an apocalyptic number.

It is an amenable number.

7332873728 is a deficient number, since it is larger than the sum of its proper divisors (7318552732).

7332873728 is an equidigital number, since it uses as much as digits as its factorization.

7332873728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322037 (or 14322021 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The square root of 7332873728 is about 85632.2002987194. The cubic root of 7332873728 is about 1942.7849723727.

The spelling of 7332873728 in words is "seven billion, three hundred thirty-two million, eight hundred seventy-three thousand, seven hundred twenty-eight".