74529655899136 has 33 divisors (see below), whose sum is σ = 148987081179031. Its totient is φ = 37264689820672.

The previous prime is 74529655899131. The next prime is 74529655899217. The reversal of 74529655899136 is 63199855692547.

The square root of 74529655899136 is 8633056.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74529655899131) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 276122901 + ... + 276392683.

Almost surely, 2^{74529655899136} is an apocalyptic number.

74529655899136 is the 8633056-th square number.

It is an amenable number.

74529655899136 is a deficient number, since it is larger than the sum of its proper divisors (74457425279895).

74529655899136 is an frugal number, since it uses more digits than its factorization.

74529655899136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539586 (or 269785 counting only the distinct ones).

The product of its digits is 4408992000, while the sum is 79.

The spelling of 74529655899136 in words is "seventy-four trillion, five hundred twenty-nine billion, six hundred fifty-five million, eight hundred ninety-nine thousand, one hundred thirty-six".