74681355504 has 240 divisors, whose sum is σ = 245296014336. Its totient is φ = 19434240000.

The previous prime is 74681355503. The next prime is 74681355509. The reversal of 74681355504 is 40555318647.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74681355503) 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 47 ways as a sum of consecutive naturals, for example, 1209379 + ... + 1269629.

Almost surely, 2^74681355504 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 74681355504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122648007168).

74681355504 is an abundant number, since it is smaller than the sum of its proper divisors (170614658832).

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

74681355504 is a wasteful number, since it uses less digits than its factorization.

74681355504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60324 (or 60311 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 74681355504 in words is "seventy-four billion, six hundred eighty-one million, three hundred fifty-five thousand, five hundred four".