7478133507 has 48 divisors (see below), whose sum is σ = 11757677568. Its totient is φ = 4552692480.

The previous prime is 7478133491. The next prime is 7478133539. The reversal of 7478133507 is 7053318747.

7478133507 is a `hidden beast` number, since 7 + 4 + 7 + 8 + 133 + 507 = 666.

It is not a de Polignac number, because 7478133507 - 2⁴ = 7478133491 is a prime.

It is a super-2 number, since 2×7478133507² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7478133547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9108157 + ... + 9108977.

It is an arithmetic number, because the mean of its divisors is an integer number (244951616).

Almost surely, 2^7478133507 is an apocalyptic number.

7478133507 is a deficient number, since it is larger than the sum of its proper divisors (4279544061).

7478133507 is a wasteful number, since it uses less digits than its factorization.

7478133507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 7478133507 is about 86476.2019690967. The cubic root of 7478133507 is about 1955.5296482501.

The spelling of 7478133507 in words is "seven billion, four hundred seventy-eight million, one hundred thirty-three thousand, five hundred seven".