7333073021 has 4 divisors (see below), whose sum is σ = 7371068412. Its totient is φ = 7295077632.

The previous prime is 7333072979. The next prime is 7333073087. The reversal of 7333073021 is 1203703337.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4418260900 + 2914812121 = 66470^2 + 53989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7333073021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7333073521) 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, 18997406 + ... + 18997791.

It is an arithmetic number, because the mean of its divisors is an integer number (1842767103).

Almost surely, 2^7333073021 is an apocalyptic number.

It is an amenable number.

7333073021 is a deficient number, since it is larger than the sum of its proper divisors (37995391).

7333073021 is a wasteful number, since it uses less digits than its factorization.

7333073021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37995390.

The product of its (nonzero) digits is 7938, while the sum is 29.

The square root of 7333073021 is about 85633.3639477044. The cubic root of 7333073021 is about 1942.8025725639.

Adding to 7333073021 its reverse (1203703337), we get a palindrome (8536776358).

The spelling of 7333073021 in words is "seven billion, three hundred thirty-three million, seventy-three thousand, twenty-one".