74715089680 has 480 divisors, whose sum is σ = 229809291264. Its totient is φ = 22070400000.

The previous prime is 74715089653. The next prime is 74715089689. The reversal of 74715089680 is 8698051747.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (74715089689) 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 95 ways as a sum of consecutive naturals, for example, 297669555 + ... + 297669805.

Almost surely, 2^74715089680 is an apocalyptic number.

74715089680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74715089680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114904645632).

74715089680 is an abundant number, since it is smaller than the sum of its proper divisors (155094201584).

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

74715089680 is a wasteful number, since it uses less digits than its factorization.

74715089680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 74715089680 in words is "seventy-four billion, seven hundred fifteen million, eighty-nine thousand, six hundred eighty".