7480693081 has 3 divisors (see below), whose sum is σ = 7480779573. Its totient is φ = 7480606590.

The previous prime is 7480693079. The next prime is 7480693097. The reversal of 7480693081 is 1803960847.

It is a happy number.

The square root of 7480693081 is 86491.

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 7480693081 - 2¹ = 7480693079 is a prime.

It is a super-2 number, since 2×7480693081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7480693021) 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, 43246 + ... + 129736.

It is an arithmetic number, because the mean of its divisors is an integer number (2493593191).

Almost surely, 2^7480693081 is an apocalyptic number.

7480693081 is the 86491-st square number.

7480693081 is the 43246-th centered octagonal number.

It is an amenable number.

7480693081 is a deficient number, since it is larger than the sum of its proper divisors (86492).

7480693081 is an frugal number, since it uses more digits than its factorization.

7480693081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172982 (or 86491 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The cubic root of 7480693081 is about 1955.7527320754.

The spelling of 7480693081 in words is "seven billion, four hundred eighty million, six hundred ninety-three thousand, eighty-one".