7478528506 has 8 divisors (see below), whose sum is σ = 11222891424. Its totient is φ = 3737564700.

The previous prime is 7478528503. The next prime is 7478528527. The reversal of 7478528506 is 6058258747.

7478528506 is nontrivially palindromic in base 5.

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

It is not an unprimeable number, because it can be changed into a prime (7478528503) 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, 844270 + ... + 853081.

It is an arithmetic number, because the mean of its divisors is an integer number (1402861428).

Almost surely, 2^7478528506 is an apocalyptic number.

7478528506 is a deficient number, since it is larger than the sum of its proper divisors (3744362918).

7478528506 is a wasteful number, since it uses less digits than its factorization.

7478528506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699556.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The square root of 7478528506 is about 86478.4857984921. The cubic root of 7478528506 is about 1955.5640783502.

The spelling of 7478528506 in words is "seven billion, four hundred seventy-eight million, five hundred twenty-eight thousand, five hundred six".