7479999747 has 24 divisors (see below), whose sum is σ = 11859002688. Its totient is φ = 4505511600.

The previous prime is 7479999733. The next prime is 7479999773.

7479999747 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7479999747 - 2⁴ = 7479999731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7479999797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215629 + ... + 247902.

It is an arithmetic number, because the mean of its divisors is an integer number (494125112).

Almost surely, 2^7479999747 is an apocalyptic number.

7479999747 is a deficient number, since it is larger than the sum of its proper divisors (4379002941).

7479999747 is a wasteful number, since it uses less digits than its factorization.

7479999747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463711 (or 463708 counting only the distinct ones).

The product of its digits is 252047376, while the sum is 72.

The square root of 7479999747 is about 86486.9917791109. The cubic root of 7479999747 is about 1955.6923084514.

The spelling of 7479999747 in words is "seven billion, four hundred seventy-nine million, nine hundred ninety-nine thousand, seven hundred forty-seven".