74582517604 has 27 divisors (see below), whose sum is σ = 151836480243. Its totient is φ = 31962297528.

The previous prime is 74582517557. The next prime is 74582517613. The reversal of 74582517604 is 40671528547.

The square root of 74582517604 is 273098.

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

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 3813619 + ... + 3833125.

Almost surely, 2^74582517604 is an apocalyptic number.

74582517604 is the 273098-th square number.

It is an amenable number.

74582517604 is an abundant number, since it is smaller than the sum of its proper divisors (77253962639).

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

74582517604 is an frugal number, since it uses more digits than its factorization.

74582517604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39032 (or 19516 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 49.

Multiplying 74582517604 by its sum of digits (49), we get a square (3654543362596 = 1911686²).

74582517604 divided by its sum of digits (49) gives a square (1522092196 = 39014²).

The spelling of 74582517604 in words is "seventy-four billion, five hundred eighty-two million, five hundred seventeen thousand, six hundred four".