7475394881 has 8 divisors (see below), whose sum is σ = 7545039840. Its totient is φ = 7405811392.

The previous prime is 7475394869. The next prime is 7475394907. The reversal of 7475394881 is 1884935747.

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 7475394881 - 2¹⁸ = 7475132737 is a prime.

It is a super-2 number, since 2×7475394881² (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 (7475394811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250166 + ... + 278448.

It is an arithmetic number, because the mean of its divisors is an integer number (943129980).

Almost surely, 2^7475394881 is an apocalyptic number.

It is an amenable number.

7475394881 is a deficient number, since it is larger than the sum of its proper divisors (69644959).

7475394881 is a wasteful number, since it uses less digits than its factorization.

7475394881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30735.

The product of its digits is 6773760, while the sum is 56.

The square root of 7475394881 is about 86460.3659545806. The cubic root of 7475394881 is about 1955.2909024801.

The spelling of 7475394881 in words is "seven billion, four hundred seventy-five million, three hundred ninety-four thousand, eight hundred eighty-one".