74036734560 has 1152 divisors, whose sum is σ = 294821130240. Its totient is φ = 17468006400.

The previous prime is 74036734559. The next prime is 74036734571. The reversal of 74036734560 is 6543763047.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1213716930 + ... + 1213716990.

It is an arithmetic number, because the mean of its divisors is an integer number (255921120).

Almost surely, 2^74036734560 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 74036734560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147410565120).

74036734560 is an abundant number, since it is smaller than the sum of its proper divisors (220784395680).

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

74036734560 is a wasteful number, since it uses less digits than its factorization.

74036734560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 74036734560 in words is "seventy-four billion, thirty-six million, seven hundred thirty-four thousand, five hundred sixty".