7626415481 has 8 divisors (see below), whose sum is σ = 7673282760. Its totient is φ = 7579692288.

The previous prime is 7626415451. The next prime is 7626415483. The reversal of 7626415481 is 1845146267.

It can be written as a sum of positive squares in 4 ways, for example, as 921426025 + 6704989456 = 30355^2 + 81884^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7626415481 - 2¹⁰ = 7626414457 is a prime.

It is a super-2 number, since 2×7626415481² (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 (7626415483) 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, 71135 + ... + 142523.

It is an arithmetic number, because the mean of its divisors is an integer number (959160345).

Almost surely, 2^7626415481 is an apocalyptic number.

It is an amenable number.

7626415481 is a deficient number, since it is larger than the sum of its proper divisors (46867279).

7626415481 is a wasteful number, since it uses less digits than its factorization.

7626415481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72043.

The product of its digits is 322560, while the sum is 44.

The square root of 7626415481 is about 87329.3506273807. The cubic root of 7626415481 is about 1968.3703771732.

The spelling of 7626415481 in words is "seven billion, six hundred twenty-six million, four hundred fifteen thousand, four hundred eighty-one".