74807148429 has 32 divisors (see below), whose sum is σ = 120140921600. Its totient is φ = 45730267200.

The previous prime is 74807148413. The next prime is 74807148457. The reversal of 74807148429 is 92484170847.

74807148429 is a `hidden beast` number, since 74 + 8 + 0 + 7 + 148 + 429 = 666.

It is not a de Polignac number, because 74807148429 - 2⁴ = 74807148413 is a prime.

It is a super-2 number, since 2×74807148429² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74807158429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652714 + ... + 758715.

It is an arithmetic number, because the mean of its divisors is an integer number (3754403800).

Almost surely, 2^74807148429 is an apocalyptic number.

It is an amenable number.

74807148429 is a deficient number, since it is larger than the sum of its proper divisors (45333773171).

74807148429 is a wasteful number, since it uses less digits than its factorization.

74807148429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411602 (or 1411596 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 74807148429 in words is "seventy-four billion, eight hundred seven million, one hundred forty-eight thousand, four hundred twenty-nine".