74502602720 has 576 divisors, whose sum is σ = 228882640896. Its totient is φ = 22701772800.

The previous prime is 74502602717. The next prime is 74502602737. The reversal of 74502602720 is 2720620547.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 493394645 + ... + 493394795.

It is an arithmetic number, because the mean of its divisors is an integer number (397365696).

Almost surely, 2^74502602720 is an apocalyptic number.

74502602720 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 74502602720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114441320448).

74502602720 is an abundant number, since it is smaller than the sum of its proper divisors (154380038176).

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

74502602720 is a wasteful number, since it uses less digits than its factorization.

74502602720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 74502602720 in words is "seventy-four billion, five hundred two million, six hundred two thousand, seven hundred twenty".