7451660329 has 3 divisors (see below), whose sum is σ = 7451746653. Its totient is φ = 7451574006.

The previous prime is 7451660311. The next prime is 7451660341. The reversal of 7451660329 is 9230661547.

The square root of 7451660329 is 86323.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 7451660329 - 2¹⁷ = 7451529257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7451666329) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43162 + ... + 129484.

It is an arithmetic number, because the mean of its divisors is an integer number (2483915551).

Almost surely, 2^7451660329 is an apocalyptic number.

7451660329 is the 86323-rd square number.

7451660329 is the 43162-nd centered octagonal number.

It is an amenable number.

7451660329 is a deficient number, since it is larger than the sum of its proper divisors (86324).

7451660329 is an frugal number, since it uses more digits than its factorization.

7451660329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172646 (or 86323 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The cubic root of 7451660329 is about 1953.2193438712.

The spelling of 7451660329 in words is "seven billion, four hundred fifty-one million, six hundred sixty thousand, three hundred twenty-nine".