7478162506 has 16 divisors (see below), whose sum is σ = 11262408840. Its totient is φ = 3724047360.

The previous prime is 7478162501. The next prime is 7478162507. The reversal of 7478162506 is 6052618747.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4326350625 + 3151811881 = 65775^2 + 56141^2 .

It is a super-2 number, since 2×7478162506² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7478162501) 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, 833050 + ... + 841978.

Almost surely, 2^7478162506 is an apocalyptic number.

7478162506 is a deficient number, since it is larger than the sum of its proper divisors (3784246334).

7478162506 is a wasteful number, since it uses less digits than its factorization.

7478162506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 7478162506 is about 86476.3696393414. The cubic root of 7478162506 is about 1955.5321759900.

The spelling of 7478162506 in words is "seven billion, four hundred seventy-eight million, one hundred sixty-two thousand, five hundred six".