7167484921 has 9 divisors (see below), whose sum is σ = 7408865349. Its totient is φ = 6933735900.

The previous prime is 7167484889. The next prime is 7167484957. The reversal of 7167484921 is 1294847617.

The square root of 7167484921 is 84661.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 7167484921 - 2⁵ = 7167484889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7167484981) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2623126 + ... + 2625856.

It is an arithmetic number, because the mean of its divisors is an integer number (823207261).

Almost surely, 2^7167484921 is an apocalyptic number.

7167484921 is the 84661-st square number.

7167484921 is the 42331-st centered octagonal number.

It is an amenable number.

7167484921 is a deficient number, since it is larger than the sum of its proper divisors (241380428).

7167484921 is an frugal number, since it uses more digits than its factorization.

7167484921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 2762 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The cubic root of 7167484921 is about 1928.0676266897.

Multiplying 7167484921 by its sum of digits (49), we get a square (351206761129 = 592627²).

The spelling of 7167484921 in words is "seven billion, one hundred sixty-seven million, four hundred eighty-four thousand, nine hundred twenty-one".