7448276481 has 8 divisors (see below), whose sum is σ = 9933526080. Its totient is φ = 4964272272.

The previous prime is 7448276477. The next prime is 7448276491. The reversal of 7448276481 is 1846728447.

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

It is not a de Polignac number, because 7448276481 - 2² = 7448276477 is a prime.

It is a super-2 number, since 2×7448276481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7448276491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297301 + ... + 321378.

It is an arithmetic number, because the mean of its divisors is an integer number (1241690760).

Almost surely, 2^7448276481 is an apocalyptic number.

It is an amenable number.

7448276481 is a deficient number, since it is larger than the sum of its proper divisors (2485249599).

7448276481 is a wasteful number, since it uses less digits than its factorization.

7448276481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622695.

The product of its digits is 2408448, while the sum is 51.

The square root of 7448276481 is about 86303.3978531552. The cubic root of 7448276481 is about 1952.9236425202.

The spelling of 7448276481 in words is "seven billion, four hundred forty-eight million, two hundred seventy-six thousand, four hundred eighty-one".