74223167540 has 24 divisors (see below), whose sum is σ = 155890641312. Its totient is φ = 29685078560.

The previous prime is 74223167527. The next prime is 74223167561. The reversal of 74223167540 is 4576132247.

It is a congruent number.

It is an unprimeable number.

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, 114446 + ... + 401925.

It is an arithmetic number, because the mean of its divisors is an integer number (6495443388).

Almost surely, 2^74223167540 is an apocalyptic number.

It is an amenable number.

74223167540 is an abundant number, since it is smaller than the sum of its proper divisors (81667473772).

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

74223167540 is a wasteful number, since it uses less digits than its factorization.

74223167540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523567 (or 523565 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

Adding to 74223167540 its reverse (4576132247), we get a palindrome (78799299787).

The spelling of 74223167540 in words is "seventy-four billion, two hundred twenty-three million, one hundred sixty-seven thousand, five hundred forty".