74453835447 has 16 divisors (see below), whose sum is σ = 110861894880. Its totient is φ = 49383927936.

The previous prime is 74453835439. The next prime is 74453835481.

74453835447 is a `hidden beast` number, since 7 + 44 + 53 + 8 + 3 + 544 + 7 = 666.

74453835447 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74453835447 - 2³ = 74453835439 is a prime.

It is a super-2 number, since 2×74453835447² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74453835393 and 74453835402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74453835947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6993538 + ... + 7004175.

It is an arithmetic number, because the mean of its divisors is an integer number (6928868430).

Almost surely, 2^74453835447 is an apocalyptic number.

74453835447 is a deficient number, since it is larger than the sum of its proper divisors (36408059433).

74453835447 is a wasteful number, since it uses less digits than its factorization.

74453835447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13997919 (or 13997913 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 54.

The spelling of 74453835447 in words is "seventy-four billion, four hundred fifty-three million, eight hundred thirty-five thousand, four hundred forty-seven".