74553696 has 180 divisors, whose sum is σ = 255492468. Its totient is φ = 21264768.

The previous prime is 74553691. The next prime is 74553697. The reversal of 74553696 is 69635547.

74553696 is a `hidden beast` number, since 7 + 4 + 553 + 6 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74553691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 126715 + ... + 127301.

Almost surely, 2^74553696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74553696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127746234).

74553696 is an abundant number, since it is smaller than the sum of its proper divisors (180938772).

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

74553696 is a wasteful number, since it uses less digits than its factorization.

74553696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 599 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 74553696 is about 8634.4482163020. The cubic root of 74553696 is about 420.8781626023.

The spelling of 74553696 in words is "seventy-four million, five hundred fifty-three thousand, six hundred ninety-six".