7475747533 has 4 divisors (see below), whose sum is σ = 7479493020. Its totient is φ = 7472002048.

The previous prime is 7475747453. The next prime is 7475747563. The reversal of 7475747533 is 3357475747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121484484 + 7354263049 = 11022^2 + 85757^2 .

It is a cyclic number.

It is not a de Polignac number, because 7475747533 - 2¹⁷ = 7475616461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7475747563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869748 + ... + 1873741.

It is an arithmetic number, because the mean of its divisors is an integer number (1869873255).

Almost surely, 2^7475747533 is an apocalyptic number.

It is an amenable number.

7475747533 is a deficient number, since it is larger than the sum of its proper divisors (3745487).

7475747533 is a wasteful number, since it uses less digits than its factorization.

7475747533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745486.

The product of its digits is 8643600, while the sum is 52.

The square root of 7475747533 is about 86462.4053158365. The cubic root of 7475747533 is about 1955.3216489675.

The spelling of 7475747533 in words is "seven billion, four hundred seventy-five million, seven hundred forty-seven thousand, five hundred thirty-three".