7478634841 has 4 divisors (see below), whose sum is σ = 7480552912. Its totient is φ = 7476716772.

The previous prime is 7478634829. The next prime is 7478634847. The reversal of 7478634841 is 1484368747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1484368747 = 30493 ⋅48679.

It is a cyclic number.

It is not a de Polignac number, because 7478634841 - 2¹¹ = 7478632793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7478634847) 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 3 ways as a sum of consecutive naturals, for example, 953175 + ... + 960988.

It is an arithmetic number, because the mean of its divisors is an integer number (1870138228).

Almost surely, 2^7478634841 is an apocalyptic number.

It is an amenable number.

7478634841 is a deficient number, since it is larger than the sum of its proper divisors (1918071).

7478634841 is a wasteful number, since it uses less digits than its factorization.

7478634841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918070.

The product of its digits is 3612672, while the sum is 52.

The square root of 7478634841 is about 86479.1006023999. The cubic root of 7478634841 is about 1955.5733468367.

The spelling of 7478634841 in words is "seven billion, four hundred seventy-eight million, six hundred thirty-four thousand, eight hundred forty-one".