7673340021 has 16 divisors (see below), whose sum is σ = 10405632000. Its totient is φ = 5028625008.

The previous prime is 7673340011. The next prime is 7673340029. The reversal of 7673340021 is 1200433767.

It is not a de Polignac number, because 7673340021 - 2⁷ = 7673339893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7673340029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56430 + ... + 136128.

It is an arithmetic number, because the mean of its divisors is an integer number (650352000).

Almost surely, 2^7673340021 is an apocalyptic number.

It is an amenable number.

7673340021 is a deficient number, since it is larger than the sum of its proper divisors (2732291979).

7673340021 is a wasteful number, since it uses less digits than its factorization.

7673340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80248.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 7673340021 is about 87597.6028267897. The cubic root of 7673340021 is about 1972.3991847864.

Adding to 7673340021 its reverse (1200433767), we get a palindrome (8873773788).

The spelling of 7673340021 in words is "seven billion, six hundred seventy-three million, three hundred forty thousand, twenty-one".