7673747221 has 8 divisors (see below), whose sum is σ = 8778271104. Its totient is φ = 6571291920.

The previous prime is 7673747219. The next prime is 7673747233. The reversal of 7673747221 is 1227473767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7673747221 - 2¹ = 7673747219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7673747251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509185 + ... + 524038.

It is an arithmetic number, because the mean of its divisors is an integer number (1097283888).

Almost surely, 2^7673747221 is an apocalyptic number.

It is an amenable number.

7673747221 is a deficient number, since it is larger than the sum of its proper divisors (1104523883).

7673747221 is a wasteful number, since it uses less digits than its factorization.

7673747221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034291.

The product of its digits is 691488, while the sum is 46.

The square root of 7673747221 is about 87599.9270604719. The cubic root of 7673747221 is about 1972.4340738412.

The spelling of 7673747221 in words is "seven billion, six hundred seventy-three million, seven hundred forty-seven thousand, two hundred twenty-one".