74097146544 has 40 divisors (see below), whose sum is σ = 191474796912. Its totient is φ = 24691672320.

The previous prime is 74097146533. The next prime is 74097146549. The reversal of 74097146544 is 44564179047.

It is a super-2 number, since 2×74097146544² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74097146549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66927 + ... + 390734.

Almost surely, 2^74097146544 is an apocalyptic number.

It is an amenable number.

74097146544 is an abundant number, since it is smaller than the sum of its proper divisors (117377650368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74097146544 is a wasteful number, since it uses less digits than its factorization.

74097146544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461045 (or 461039 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 74097146544 in words is "seventy-four billion, ninety-seven million, one hundred forty-six thousand, five hundred forty-four".