7634427481 has 8 divisors (see below), whose sum is σ = 7656507720. Its totient is φ = 7612378368.

The previous prime is 7634427431. The next prime is 7634427499. The reversal of 7634427481 is 1847244367.

It can be written as a sum of positive squares in 4 ways, for example, as 75690000 + 7558737481 = 8700^2 + 86941^2 .

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 7634427481 - 2²⁹ = 7097556569 is a prime.

It is a super-2 number, since 2×7634427481² (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 (7634427401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537175 + ... + 551203.

It is an arithmetic number, because the mean of its divisors is an integer number (957063465).

Almost surely, 2^7634427481 is an apocalyptic number.

It is an amenable number.

7634427481 is a deficient number, since it is larger than the sum of its proper divisors (22080239).

7634427481 is a wasteful number, since it uses less digits than its factorization.

7634427481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15563.

The product of its digits is 903168, while the sum is 46.

The square root of 7634427481 is about 87375.2109067555. The cubic root of 7634427481 is about 1969.0594323866.

It can be divided in two parts, 763 and 4427481, that added together give a palindrome (4428244).

The spelling of 7634427481 in words is "seven billion, six hundred thirty-four million, four hundred twenty-seven thousand, four hundred eighty-one".