74016099481 has 3 divisors (see below), whose sum is σ = 74016371541. Its totient is φ = 74015827422.

The previous prime is 74016099473. The next prime is 74016099529. The reversal of 74016099481 is 18499061047.

The square root of 74016099481 is 272059.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 74016099481 - 2³ = 74016099473 is a prime.

It is a super-2 number, since 2×74016099481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74016099431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 136030 + ... + 408088.

It is an arithmetic number, because the mean of its divisors is an integer number (24672123847).

Almost surely, 2^74016099481 is an apocalyptic number.

74016099481 is the 272059-th square number.

74016099481 is the 136030-th centered octagonal number.

It is an amenable number.

74016099481 is a deficient number, since it is larger than the sum of its proper divisors (272060).

74016099481 is an frugal number, since it uses more digits than its factorization.

74016099481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544118 (or 272059 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

Multiplying 74016099481 by its sum of digits (49), we get a square (3626788874569 = 1904413²).

The spelling of 74016099481 in words is "seventy-four billion, sixteen million, ninety-nine thousand, four hundred eighty-one".