7452297481 has 4 divisors (see below), whose sum is σ = 7452727812. Its totient is φ = 7451867152.

The previous prime is 7452297467. The next prime is 7452297499. The reversal of 7452297481 is 1847922547.

7452297481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1847922547 = 47 ⋅39317501.

It can be written as a sum of positive squares in 2 ways, for example, as 4554090256 + 2898207225 = 67484^2 + 53835^2 .

It is a cyclic number.

It is not a de Polignac number, because 7452297481 - 2⁷ = 7452297353 is a prime.

It is a super-2 number, since 2×7452297481² (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 (7452297451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188050 + ... + 224203.

It is an arithmetic number, because the mean of its divisors is an integer number (1863181953).

Almost surely, 2^7452297481 is an apocalyptic number.

It is an amenable number.

7452297481 is a deficient number, since it is larger than the sum of its proper divisors (430331).

7452297481 is a wasteful number, since it uses less digits than its factorization.

7452297481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430330.

The product of its digits is 1128960, while the sum is 49.

The square root of 7452297481 is about 86326.6904323338. The cubic root of 7452297481 is about 1953.2750120976.

The spelling of 7452297481 in words is "seven billion, four hundred fifty-two million, two hundred ninety-seven thousand, four hundred eighty-one".