74519172324 has 27 divisors (see below), whose sum is σ = 188372048137. Its totient is φ = 24839178144.

The previous prime is 74519172311. The next prime is 74519172379. The reversal of 74519172324 is 42327191547.

The square root of 74519172324 is 272982.

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

74519172324 is a `hidden beast` number, since 7 + 451 + 9 + 172 + 3 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12434480100 + 62084692224 = 111510^2 + 249168^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74519172324.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1615144 + ... + 1660640.

Almost surely, 2^74519172324 is an apocalyptic number.

74519172324 is the 272982-nd square number.

It is an amenable number.

74519172324 is an abundant number, since it is smaller than the sum of its proper divisors (113852875813).

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

74519172324 is an frugal number, since it uses more digits than its factorization.

74519172324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91004 (or 45502 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 74519172324 in words is "seventy-four billion, five hundred nineteen million, one hundred seventy-two thousand, three hundred twenty-four".